[PATCH] compat_sys_vmsplice: one-off in UIO_MAXIOV check

nr_segs may not be > UIO_MAXIOV, however it may be equal to. This makes
the behaviour identical to the real sys_vmsplice(). The other foov
syscalls also agree that this is the way to go.

Signed-off-by: Jens Axboe <axboe@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/compat.c b/fs/compat.c
index 3f3e8f4d43d6..970888aad843 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1323,7 +1323,7 @@ compat_sys_vmsplice(int fd, const struct compat_iovec __user *iov32,
 {
         unsigned i;
         struct iovec *iov;
-        if (nr_segs >= UIO_MAXIOV)
+        if (nr_segs > UIO_MAXIOV)
                 return -EINVAL;
         iov = compat_alloc_user_space(nr_segs * sizeof(struct iovec));
         for (i = 0; i < nr_segs; i++) {