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2006-01-06[PATCH] s390: cleanup KconfigMartin Schwidefsky
Sanitize some s390 Kconfig options. We have ARCH_S390, ARCH_S390X, ARCH_S390_31, 64BIT, S390_SUPPORT and COMPAT. Replace these 6 options by S390, 64BIT and COMPAT. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: fix invalid return code in sclp_cpiPeter Oberparleiter
When the sclp_cpi module is loaded on a system which does not support the required SCLP call (e.g. on z/VM), ENOSUPP is returned to user space. The correct return value is EOPNOTSUPP. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: Fix missing release function and cosmetic changesCornelia Huck
- Use kzalloc() in blacklist.c. - Kill unwanted casts in blacklist.c. - Provide release function for struct channel_subsystem. Signed-off-by: Cornelia Huck <huckc@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: add support for cex2a crypto cardsEric Rossman
Signed-off-by: Eric Rossman <edrossma@us.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: multiple subchannel sets supportCornelia Huck
Add support for multiple subchannel sets. Works with arbitrary devices in subchannel set 1 and is transparent to device drivers. Although currently only two subchannel sets are available, this will work with the architectured maximum number of subchannel sets as well. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: convert /proc/cio_ignoreCornelia Huck
Convert /proc/cio_ignore to a sequential file. This makes multiple subchannel sets support easier. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: introduce struct channel_subsystemCornelia Huck
struct channel_subsystem encapsulates several per channel subsystem properties, like status of chpids or the global path group id. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: introduce for_each_subchannelCornelia Huck
for_each_subchannel() is an iterator calling a function for every possible subchannel id until non-zero is returned. Convert the current iterating functions to it. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: introduce struct subchannel_idCornelia Huck
This patch introduces a struct subchannel_id containing the subchannel number (formerly referred to as "irq") and switches code formerly relying on the subchannel number over to it. While we're touching inline assemblies anyway, make sure they have correct memory constraints. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: qdio V=V pass-throughFrank Pavlic
New feature V=V qdio pass-through. QDIO and HiperSockets processing in z/VM V=V guest environments (as well as V=R with z/VM running in LPAR mode) requires shadowing of all QDIO architecture queue elements. Especially the shadowing of SBALs and SLSBs structures in the hypervisor, and the need to issue SIGA SYNC operations to observe state changes, eventually causes significant CPU processing overhead in the hypervisor. The QDIO pass-through support for V=V guests avoids the shadowing of SBALs and SLSBs. This significantly reduces the hypervisor overhead for QDIO based I/O. Signed-off-by: Frank Pavlic <pavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: dasd failfast supportHorst Hummel
To properly support multipath-failover handling, the linux block layer has introduced a special request flag, 'REQ_FAILFAST'. This flag is now used to return requests immediately in case the device is not operational. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: BIODASDPRRD ioctl return codeHorst Hummel
The IOCTL BIODASDPRRD had no return code for 'profiling is inactive' and therefore tunedasd wrote misleading message for request-counter = 0. Introduce return-code EIO for inactive profiling. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: move s390_root_dev_* out of the cio layerCarsten Otte
Extract the s390_root_dev_* functions from the common I/O layer as they are also used by non-ccw device drivers. Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: re-activated path detectionCornelia Huck
If we receive path not operational indications (pnom in pmcw nonzero), we switch off those paths. To catch them becoming available again, we have to recalculate the lpm from the pmcw each time we start path verification. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: cms volume label definitionsPeter Oberparleiter
Moved definition of CMS volume label to vtoc.h and modify partitions/ibm.c to use this volume label definition instead of anonymous array. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] s390: atomic primitivesMartin Schwidefsky
Hugh Dickins <hugh@veritas.com> Fix the broken atomic_cmpxchg primitive. Add atomic_sub_and_test, atomic64_sub_return, atomic64_sub_and_test, atomic64_cmpxchg, atomic64_add_unless and atomic64_inc_not_zero. Replace old style atomic_compare_and_swap by atomic_cmpxchg. Shorten the whole header by defining most primitives with the two inline functions atomic_add_return and atomic_sub_return. In addition this patch contains the s390 related fixes of Hugh's "mm: fill arch atomic64 gaps" patch. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] don't freeze firewire on suspend.Dave Jones
We had a report from one loony user who tried out suspend to disk using a swap partition on a firewire drive. As the firewire thread was put to sleep it didn't work out too well. Signed-off-by: Dave Jones <davej@redhat.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Ben Collins <bcollins@debian.org> Cc: Jody McIntyre <scjody@modernduck.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] Geode LX HW RNG SupportJordan Crouse
Add support to hw_random for the Geode LX HRNG device. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] x86: Fixed pnp bios limitsZachary Amsden
PnP BIOS data, code, and 32-bit entry segments all have fixed limits as well; set them in the GDT rather than adding more code. It would be nice to add these fixups to the boot GDT rather than setting the GDT for each CPU; perhaps I can wiggle this in later, but getting it in before the subsys init looks tricky. Also, make some progress on deprecating the ugly Q_SET_SEL macros. Signed-off-by: Zachary Amsden <zach@vmware.com> Cc: "Seth, Rohit" <rohit.seth@intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] x86: Pnp byte granularityZachary Amsden
The one remaining caller of set_limit, the PnP BIOS code, calls into the PnP BIOS, passing kernel parameters in and out. These parameteres may be passed from arbitrary kernel virtual memory, so they deserve strict protection to stop a bad BIOS from smashing beyond the object size. Unfortunately, the use of set_limit was badly botching this by setting the limit in terms of pages, when it really should have byte granularity. When doing this, I discovered my BIOS had the buggy code during the "get system device node" call: mov ax, es:[bx] Which is harmless, but has a trivial workaround. Signed-off-by: Zachary Amsden <zach@vmware.com> Cc: "Seth, Rohit" <rohit.seth@intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] x86: Pnp segments in segment hZachary Amsden
Move PnP BIOS segment definitions into segment.h; the segments are reserved here, so they might as well be defined here as well. Note I didn't do this for APM BIOS, as Macintosh and other systems use those values to emulate APM in some scary way I don't want to understand. Signed-off-by: Zachary Amsden <zach@vmware.com> Acked-by: "Seth, Rohit" <rohit.seth@intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] x86: GDT alignment fixZachary Amsden
Make GDT page aligned and page padded to support running inside of a hypervisor. This prevents false sharing of the GDT page with other hot data, which is not allowed in Xen, and causes performance problems in VMware. Rather than go back to the old method of statically allocating the GDT (which wastes unneded space for non-present CPUs), the GDT for APs is allocated dynamically. Signed-off-by: Zachary Amsden <zach@vmware.com> Cc: "Seth, Rohit" <rohit.seth@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] therm_adt746x: Quiet fan speed change messagesBen Collins
Only output the messages about fan speed changes with a verbose=1 module param. Signed-off-by: Fabio M. Di Nitto <fabbione@ubuntu.com> Signed-off-by: Ben Collins <bcollins@ubuntu.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] ppc32/serial: Change mpc52xx_uart.c to use the Low Density Serial ↵Sylvain Munaut
port major Before this patch we were just using the "classic" /dev/ttySx devices. However when another on the system is loaded that uses those (like drivers for serial PCMCIA), that creates a conflict for the minors. Therefore, we now use /dev/ttyPSC[0:5] (note the 0-based numbering !) with some minors we've been assigned in the "Low Density Serial port major" Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] ppc32/serial: Fix compiler errors with GCC 4.x in mpc52xx_uart.cSylvain Munaut
Signed-off-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] macintosh: don't store i2c_add_driver() return if no further ↵Arthur Othieno
processing done therm_pm72.c and windfarm_lm75_sensor.c both store the return from i2c_add_driver() but do no further processing on the result. Simply return what i2c_add_driver() did, instead. Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] memhotplug: register_memory should be globalAndy Whitcroft
register_memory is global and declared so in linux/memory.h. Update the HOTPLUG specific definition to match. This fixes a compile warning when HOTPLUG is enabled. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] memhotplug: register_ and unregister_memory_notifier should be globalAndy Whitcroft
Both register_memory_notifer and unregister_memory_notifier are global and declared so in linux/memory.h. Update the HOTPLUG specific definitions to match. This fixes a compile warning when HOTPLUG is enabled. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] nbd: fix TX/RX race conditionHerbert Xu
Janos Haar of First NetCenter Bt. reported numerous crashes involving the NBD driver. With his help, this was tracked down to bogus bio vectors which in turn was the result of a race condition between the receive/transmit routines in the NBD driver. The bug manifests itself like this: CPU0 CPU1 do_nbd_request add req to queuelist nbd_send_request send req head for each bio kmap send nbd_read_stat nbd_find_request nbd_end_request kunmap When CPU1 finishes nbd_end_request, the request and all its associated bio's are freed. So when CPU0 calls kunmap whose argument is derived from the last bio, it may crash. Under normal circumstances, the race occurs only on the last bio. However, if an error is encountered on the remote NBD server (such as an incorrect magic number in the request), or if there were a bug in the server, it is possible for the nbd_end_request to occur any time after the request's addition to the queuelist. The following patch fixes this problem by making sure that requests are not added to the queuelist until after they have been completed transmission. In order for the receiving side to be ready for responses involving requests still being transmitted, the patch introduces the concept of the active request. When a response matches the current active request, its processing is delayed until after the tranmission has come to a stop. This has been tested by Janos and it has been successful in curing this race condition. From: Herbert Xu <herbert@gondor.apana.org.au> Here is an updated patch which removes the active_req wait in nbd_clear_queue and the associated memory barrier. I've also clarified this in the comment. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cc: <djani22@dynamicweb.hu> Cc: Paul Clements <Paul.Clements@SteelEye.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-05Merge http://oss.oracle.com/git/ocfs2Linus Torvalds
2006-01-05Merge with http://kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.gitJody McIntyre
2006-01-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds
2006-01-06[PATCH] pcmcia: add some IDs for ide-cs and dtl1_csRichard Purdie
Add some PCMCIA device IDs for the microdrive found in the Sharp Zaurus and a different revision of the Socket CF+ Bluetooth card. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: cleanup cs.c, reduce sizeDaniel Ritz
kill the socket_shutdown()/shutdown_socket() confusion by making it one single function. move cs_socket_put() in there. nicer to read and smaller: original: text data bss dec hex filename 25181 1076 32 26289 66b1 drivers/pcmcia/pcmcia_core.ko patched: text data bss dec hex filename 24973 1076 32 26081 65e1 drivers/pcmcia/pcmcia_core.ko Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] drivers/pcmcia/cistpl.c: fix endian warningsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: kzalloc conversionDominik Brodowski
Convert users of kmalloc and memset to kzalloc Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: no probing of ioports on PARISCDominik Brodowski
Do not wildly probe the IO ports we're trying to use on PARISC. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: export stored values in sysfsDominik Brodowski
Export the stored values instead of re-reading everything in the socket information sysfs files, and make them accessible to all users, not only to root. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] 8xx PCMCIA: support for MPC885ADS and MPC866ADSVitaly Bordug
This adds PCMCIA support for both MPC885ADS and MPC866ADS. This is established not together with FADS, because 885 does not have io_block_mapping() for BCSR area. Also, some cleanups done both for 885ADS and MBX. Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] m8xx_pcmcia: support MAP_AUTOSZ required for CF cardsVitaly Bordug
This fixes misconfiguration that could result in odd work of some old CF cards. Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: properly handle static mem, but dynamic io socketsDominik Brodowski
Some PCMCIA sockets have statically mapped memory windows, but dynamically mapped IO windows. Using the "nonstatic" socket library is inpractical for them, as they do neither need a resource database (as we can trust the kernel resource database on m68k and ppc) nor lots of other features of that library. Let them get a small "iodyn" socket library (105 lines of code) instead. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: unify attach, EVENT_CARD_INSERTION handlers into one probe ↵Dominik Brodowski
callback Unify the EVENT_CARD_INSERTION and "attach" callbacks to one unified probe() callback. As all in-kernel drivers are changed to this new callback, there will be no temporary backwards-compatibility. Inside a probe() function, each driver _must_ set struct pcmcia_device *p_dev->instance and instance->handle correctly. With these patches, the basic driver interface for 16-bit PCMCIA drivers now has the classic four callbacks known also from other buses: int (*probe) (struct pcmcia_device *dev); void (*remove) (struct pcmcia_device *dev); int (*suspend) (struct pcmcia_device *dev); int (*resume) (struct pcmcia_device *dev); Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: remove dev_list from driversDominik Brodowski
The linked list of devices managed by each PCMCIA driver is, in very most cases, unused. Therefore, remove it from many drivers. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: remove old detach mechanismDominik Brodowski
Remove the old "detach" mechanism as it is unused now. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: unify detach, REMOVAL_EVENT handlers into one remove callbackDominik Brodowski
Unify the "detach" and REMOVAL_EVENT handlers to one "remove" function. Old functionality is preserved, for the moment. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-06[PATCH] pcmcia: merge suspend into device modelDominik Brodowski
Merge the suspend and resume methods for 16-bit PCMCIA cards into the device model -- for both runtime power management and suspend to ram/disk. Bugfix in ds.c by Richard Purdie Signed-Off-By: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-05[PATCH] pcmcia: new suspend coreDominik Brodowski
Move the suspend and resume methods out of the event handler, and into special functions. Also use these functions for pre- and post-reset, as almost all drivers already do, and the remaining ones can easily be converted. Bugfix to include/pcmcia/ds.c Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-05[PATCH] yenta: make bridge specific init code configurableDaniel Ritz
Make the bridge specific initialization code config options depending on CONFIG_EMBEDDED. Config options for TI/EnE, Toshiba, Ricoh and O2Micro are available. Disabling all of the specific tweaks cuts off more than half of yenta_socket.ko. Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-05[PATCH] pcmcia: validate_mem fixAndrew Morton
Also return a value if CONFIG_PCMCIA_PROBE is not set. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-05[PATCH] pcmcia: validate_mem shouldn't be voidDominik Brodowski
Add a return value to pcmcia_validate_mem. Only if we have enough memory available to map the CIS, we should proceed in trying to determine information about the device. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>