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[ Upstream commit c4b7d1ba7d263b74bb72e9325262a67139605cde ] Fixes gcc '-Wunused-but-set-variable' warning: fs/sysv/inode.c: In function '__sysv_write_inode': fs/sysv/inode.c:239:6: warning: variable 'err' set but not used [-Wunused-but-set-variable] __sysv_write_inode should return 'err' instead of 0 Fixes: 05459ca81ac3 ("repair sysv_write_inode(), switch sysv to simple_fsync()") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Sasha Levin <sashal@kernel.org>