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path: root/drivers/scsi/sd.c
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Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 633ac32b25c1..01680c7c8507 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -795,6 +795,7 @@ static int sd_open(struct block_device *bdev, fmode_t mode)
SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_open\n"));
+ lock_kernel();
sdev = sdkp->device;
/*
@@ -838,10 +839,12 @@ static int sd_open(struct block_device *bdev, fmode_t mode)
scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT);
}
+ unlock_kernel();
return 0;
error_out:
scsi_disk_put(sdkp);
+ unlock_kernel();
return retval;
}
@@ -863,6 +866,7 @@ static int sd_release(struct gendisk *disk, fmode_t mode)
SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_release\n"));
+ lock_kernel();
if (!--sdkp->openers && sdev->removable) {
if (scsi_block_when_processing_errors(sdev))
scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW);
@@ -873,6 +877,7 @@ static int sd_release(struct gendisk *disk, fmode_t mode)
* XXX is followed by a "rmmod sd_mod"?
*/
scsi_disk_put(sdkp);
+ unlock_kernel();
return 0;
}