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[ Upstream commit3f4830abd2] 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>