kill generic_segment_checks()
all callers of ->aio_read() and ->aio_write() have iov/nr_segs already
checked - generic_segment_checks() done after that is just an odd way
to spell iov_length().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/shmem.c b/mm/shmem.c
index 9f70e02..2a93e62 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1412,14 +1412,11 @@
unsigned long offset;
enum sgp_type sgp = SGP_READ;
int error = 0;
- ssize_t retval;
- size_t count;
+ ssize_t retval = 0;
+ size_t count = iov_length(iov, nr_segs);
loff_t *ppos = &iocb->ki_pos;
struct iov_iter iter;
- retval = generic_segment_checks(iov, &nr_segs, &count, VERIFY_WRITE);
- if (retval)
- return retval;
iov_iter_init(&iter, iov, nr_segs, count, 0);
/*