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authorIngo Molnar <mingo@elte.hu>2011-05-10 17:05:24 +0200
committerIngo Molnar <mingo@elte.hu>2011-05-10 17:05:45 +0200
commit932fed4e2e42c3d730c01bb63b1c4f812c533d5b (patch)
tree11b1afac3a40d253cdb905c42901edfaae5e196e /drivers/scsi/scsi_lib.c
parent57d524154ffe99d27fb55e0e30ddbad9f4c35806 (diff)
parent693d92a1bbc9e42681c42ed190bd42b636ca876f (diff)
Merge commit 'v2.6.39-rc7' into perf/core
Merge reason: pull in the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
-rw-r--r--drivers/scsi/scsi_lib.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index e9901b8f844..0bac91e7237 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -400,10 +400,15 @@ static inline int scsi_host_is_busy(struct Scsi_Host *shost)
static void scsi_run_queue(struct request_queue *q)
{
struct scsi_device *sdev = q->queuedata;
- struct Scsi_Host *shost = sdev->host;
+ struct Scsi_Host *shost;
LIST_HEAD(starved_list);
unsigned long flags;
+ /* if the device is dead, sdev will be NULL, so no queue to run */
+ if (!sdev)
+ return;
+
+ shost = sdev->host;
if (scsi_target(sdev)->single_lun)
scsi_single_lun_run(sdev);