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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: 8016e29f43 ("ext4: fast commit recovery path")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/363a4673-0fb8-4adf-b4fb-90a499077276@moroto.mountain
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2024-04-17 21:10:40 +03:00 committed by Greg Kroah-Hartman
parent f4fb561d52
commit 07fa88b0f3
1 changed files with 1 additions and 0 deletions
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1
fs/ext4/mballoc.c
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@ -6144,6 +6144,7 @@ ext4_mb_new_blocks_simple(struct ext4_allocation_request *ar, int *errp)
ext4_mb_mark_bb(sb, block, 1, 1); ext4_mb_mark_bb(sb, block, 1, 1);
ar->len = 1; ar->len = 1;
*errp = 0;
return block; return block;
} }