diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 14:48:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 14:48:31 -0700 |
| commit | d1794f2c5b5817eb79ccc5e00701ca748d1b073a (patch) | |
| tree | 5a4c98e694e88a8c82f342d0cc9edb2a4cbbef36 /arch/cris/arch-v32/drivers/mach-fs/gpio.c | |
| parent | a41eebab7537890409ea9dfe0fcda9b5fbdb090d (diff) | |
| parent | 2fceef397f9880b212a74c418290ce69e7ac00eb (diff) | |
Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
* 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits)
IB/umad: BKL is not needed for ib_umad_open()
IB/uverbs: BKL is not needed for ib_uverbs_open()
bf561-coreb: BKL unneeded for open()
Call fasync() functions without the BKL
snd/PCM: fasync BKL pushdown
ipmi: fasync BKL pushdown
ecryptfs: fasync BKL pushdown
Bluetooth VHCI: fasync BKL pushdown
tty_io: fasync BKL pushdown
tun: fasync BKL pushdown
i2o: fasync BKL pushdown
mpt: fasync BKL pushdown
Remove BKL from remote_llseek v2
Make FAT users happier by not deadlocking
x86-mce: BKL pushdown
vmwatchdog: BKL pushdown
vmcp: BKL pushdown
via-pmu: BKL pushdown
uml-random: BKL pushdown
uml-mmapper: BKL pushdown
...
Diffstat (limited to 'arch/cris/arch-v32/drivers/mach-fs/gpio.c')
| -rw-r--r-- | arch/cris/arch-v32/drivers/mach-fs/gpio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c index 7863fd4efc2..fe1fde89388 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/spinlock.h> +#include <linux/smp_lock.h> #include <asm/etraxgpio.h> #include <hwregs/reg_map.h> @@ -426,9 +427,10 @@ gpio_open(struct inode *inode, struct file *filp) return -EINVAL; priv = kmalloc(sizeof(struct gpio_private), GFP_KERNEL); - if (!priv) return -ENOMEM; + + lock_kernel(); memset(priv, 0, sizeof(*priv)); priv->minor = p; @@ -449,6 +451,7 @@ gpio_open(struct inode *inode, struct file *filp) alarmlist = priv; spin_unlock_irq(&alarm_lock); + unlock_kernel(); return 0; } |