diff options
| author | Mike Travis <travis@sgi.com> | 2008-12-31 17:34:16 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-03 18:53:31 +0100 |
| commit | 7eb19553369c46cc1fa64caf120cbcab1b597f7c (patch) | |
| tree | ef1a3beae706b9497c845d0a2557ceb4d2754998 /drivers/scsi/scsi_scan.c | |
| parent | 6092848a2a23b660150a38bc06f59d75838d70c8 (diff) | |
| parent | 8c384cdee3e04d6194a2c2b192b624754f990835 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
Conflicts:
arch/x86/kernel/io_apic.c
kernel/rcuclassic.c
kernel/sched.c
kernel/time/tick-sched.c
Signed-off-by: Mike Travis <travis@sgi.com>
[ mingo@elte.hu: backmerged typo fix for io_apic.c ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/scsi/scsi_scan.c')
| -rw-r--r-- | drivers/scsi/scsi_scan.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index b14dc02c3de..18486b51668 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -216,7 +216,7 @@ static void scsi_unlock_floptical(struct scsi_device *sdev, scsi_cmd[4] = 0x2a; /* size */ scsi_cmd[5] = 0; scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE, result, 0x2a, NULL, - SCSI_TIMEOUT, 3); + SCSI_TIMEOUT, 3, NULL); } /** @@ -573,6 +573,8 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, /* Each pass gets up to three chances to ignore Unit Attention */ for (count = 0; count < 3; ++count) { + int resid; + memset(scsi_cmd, 0, 6); scsi_cmd[0] = INQUIRY; scsi_cmd[4] = (unsigned char) try_inquiry_len; @@ -581,7 +583,8 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, result = scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE, inq_result, try_inquiry_len, &sshdr, - HZ / 2 + HZ * scsi_inq_timeout, 3); + HZ / 2 + HZ * scsi_inq_timeout, 3, + &resid); SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO "scsi scan: INQUIRY %s " "with code 0x%x\n", @@ -602,6 +605,14 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, (sshdr.ascq == 0)) continue; } + } else { + /* + * if nothing was transferred, we try + * again. It's a workaround for some USB + * devices. + */ + if (resid == try_inquiry_len) + continue; } break; } @@ -1390,7 +1401,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, result = scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE, lun_data, length, &sshdr, - SCSI_TIMEOUT + 4 * HZ, 3); + SCSI_TIMEOUT + 4 * HZ, 3, NULL); SCSI_LOG_SCAN_BUS(3, printk (KERN_INFO "scsi scan: REPORT LUNS" " %s (try %d) result 0x%x\n", result |