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author <axboe@suse.de>2005-04-13 01:22:06 +0400
committerJames Bottomley <jejb@titanic>2005-04-17 05:10:09 +0400
commit152587deb8903c0edf483a5b889f975bc6bea7e0 (patch)
tree62fc13bff0a28134adbb523ed1a2c0efdd9a85cb /drivers/scsi/scsi_scan.c
parent56fece20086ebe32bce2c0d74ceadd516b56baae (diff)
downloadlinux-152587deb8903c0edf483a5b889f975bc6bea7e0.tar.xz
[PATCH] fix NMI lockup with CFQ scheduler
The current problem seen is that the queue lock is actually in the SCSI device structure, so when that structure is freed on device release, we go boom if the queue tries to access the lock again. The fix here is to move the lock from the scsi_device to the queue. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/scsi_scan.c')
-rw-r--r--drivers/scsi/scsi_scan.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index a8a37a338c02..287d197a7c17 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -249,7 +249,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
*/
sdev->borken = 1;
- spin_lock_init(&sdev->sdev_lock);
sdev->request_queue = scsi_alloc_queue(sdev);
if (!sdev->request_queue) {
/* release fn is set up in scsi_sysfs_device_initialise, so