summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorSimon Arlott <simon@octiron.net>2020-05-30 18:59:44 +0100
committerSasha Levin <sashal@kernel.org>2020-06-29 20:07:50 -0400
commit27a7c9b66b77e82bb45dce337a5a374f5b3e20b5 (patch)
tree42beb46acf4ed28927442b035ce5ea6a82abed51 /drivers
parent025c48a5eb0f4e2763644d715e0040c644d7d531 (diff)
scsi: sr: Fix sr_probe() missing deallocate of device minor
[ Upstream commit 6555781b3fdec5e94e6914511496144241df7dee ] If the cdrom fails to be registered then the device minor should be deallocated. Link: https://lore.kernel.org/r/072dac4b-8402-4de8-36bd-47e7588969cd@0882a8b5-c6c3-11e9-b005-00805fc181fe Signed-off-by: Simon Arlott <simon@octiron.net> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/sr.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 5dc288fecace..7dd4d9ded249 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -746,7 +746,7 @@ static int sr_probe(struct device *dev)
cd->cdi.disk = disk;
if (register_cdrom(&cd->cdi))
- goto fail_put;
+ goto fail_minor;
/*
* Initialize block layer runtime PM stuffs before the
@@ -764,6 +764,10 @@ static int sr_probe(struct device *dev)
return 0;
+fail_minor:
+ spin_lock(&sr_index_lock);
+ clear_bit(minor, sr_index_bits);
+ spin_unlock(&sr_index_lock);
fail_put:
put_disk(disk);
fail_free: