This is a note to let you know that I've just added the patch titled
block: fix an error code in add_partition()
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
block-fix-an-error-code-in-add_partition.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Tue Apr 10 13:58:07 CEST 2018
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Tue, 23 May 2017 17:28:36 +0300
Subject: block: fix an error code in add_partition()
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ 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@xxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
block/partition-generic.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -309,8 +309,10 @@ struct hd_struct *add_partition(struct g
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;
}
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-3.18/block-fix-an-error-code-in-add_partition.patch
queue-3.18/powercap-fix-an-error-code-in-powercap_register_zone.patch
queue-3.18/libceph-null-deref-on-crush_decode-error-path.patch