From: Dan Carpenter <dan.carpenter@linaro.org> stable inclusion from stable-v6.6.33 commit 07fa88b0f340d71f1f7c8f250db642f338a61efa category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAD6H2 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ 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@linaro.org> Link: https://lore.kernel.org/r/363a4673-0fb8-4adf-b4fb-90a499077276@moroto.mounta... Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Wang Hai <wanghai38@huawei.com> --- fs/ext4/mballoc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 05311aa0fc2c..b138902fd42c 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -6215,6 +6215,7 @@ 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; } -- 2.17.1