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authorDan Carpenter <dan.carpenter@oracle.com>2017-05-23 17:28:36 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-13 19:48:04 +0200
commite66876452456a209daa7e1bc63539d9be50d9ad6 (patch)
tree5181d8c9f0f0955af4a704cea31eb662761c379f /block
parentb983b2a5969c9ee4e2ec73ff3444ec6814441cb8 (diff)
block: fix an error code in add_partition()
[ Upstream commit 7bd897cfce1eb373892d35d7f73201b0f9b221c4 ] We don't set an error code on this path. It means that we return NULL instead of an error pointer and the caller does a NULL dereference. Fixes: 6d1d8050b4bc ("block, partition: add partition_meta_info to hd_struct") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jens Axboe <axboe@fb.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block')
-rw-r--r--block/partition-generic.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/partition-generic.c b/block/partition-generic.c
index a2437c006640..298c05f8b5e3 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -321,8 +321,10 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
if (info) {
struct partition_meta_info *pinfo = alloc_part_info(disk);
- if (!pinfo)
+ if (!pinfo) {
+ err = -ENOMEM;
goto out_free_stats;
+ }
memcpy(pinfo, info, sizeof(*info));
p->info = pinfo;
}