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block: fix an error code in add_partition() 

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: 6d1d8050b4 ("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>
This commit is contained in:
Dan Carpenter 2017-05-23 17:28:36 +03:00 committed by Jens Axboe
parent b4f428ef28
commit 7bd897cfce
1 changed files with 3 additions and 1 deletions
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4
block/partition-generic.c
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@ -320,8 +320,10 @@ 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;
}