mm/process_vm_access: remove redundant initialization of iov_r

The pointer iov_r is being initialized with a value that is never read and
it is being updated later with a new value.  The initialization is
redundant and can be removed.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Colin Ian King <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Author: Colin Ian King

mm/process_vm_access.c

@@ -260,7 +260,7 @@ static ssize_t process_vm_rw(pid_t pid,
 	struct iovec iovstack_l[UIO_FASTIOV];
 	struct iovec iovstack_r[UIO_FASTIOV];
 	struct iovec *iov_l = iovstack_l;
-	struct iovec *iov_r = iovstack_r;
+	struct iovec *iov_r;
 	struct iov_iter iter;
 	ssize_t rc;
 	int dir = vm_write ? WRITE : READ;