mm/shmem.c: clean code by removing unnecessary assignment
Previously 0 was assigned to variable 'error' but the variable was never read before reassignemnt later. So the assignment can be removed. Signed-off-by: Mateusz Nosek <mateusznosek0@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com> Cc: Hugh Dickins <hughd@google.com> Link: http://lkml.kernel.org/r/20200301152832.24595-1-mateusznosek0@gmail.comSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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