This is a note to let you know that I've just added the patch titled
ext4: fix potential unnitialized variable
to the 5.15-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:
ext4-fix-potential-unnitialized-variable.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 66fb3c5e04f83020852d9f2059fc5848ee749c65
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Wed Apr 17 21:10:40 2024 +0300
ext4: fix potential unnitialized variable
[ Upstream commit 3f4830abd236d0428e50451e1ecb62e14c365e9b ]
Smatch complains "err" can be uninitialized in the caller.
fs/ext4/indirect.c:349 ext4_alloc_branch()
error: uninitialized symbol 'err'.
Set the error to zero on the success path.
Fixes: 8016e29f4362 ("ext4: fast commit recovery path")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Link: https://lore.kernel.org/r/363a4673-0fb8-4adf-b4fb-90a499077276@moroto.mountain
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e85123e447f14..1145664a0bb71 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -5684,6 +5684,7 @@ ext4_mb_new_blocks_simple(struct ext4_allocation_request *ar, int *errp)
ext4_mb_mark_bb(sb, block, 1, 1);
ar->len = 1;
+ *errp = 0;
return block;
}
