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ext4: fix potential unnitialized variable

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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>
This commit is contained in:
Dan Carpenter 2024-04-17 21:10:40 +03:00 committed by Theodore Ts'o
parent c84f1510fb
commit 3f4830abd2
1 changed files with 1 additions and 0 deletions
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1
fs/ext4/mballoc.c
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@ -6126,6 +6126,7 @@ ext4_mb_new_blocks_simple(struct ext4_allocation_request *ar, int *errp)
ext4_mb_mark_bb(sb, block, 1, true);
ar->len = 1;
*errp = 0;
return block;
}