fuse: rework fuse_do_ioctl()

fuse_do_ioctl() already calculates the number of pages it's going to use. It is
stored in 'num_pages' variable. So the patch simply uses it for allocating
fuse_req.

Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index b9972502f43a..fdb5b33198aa 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1894,7 +1894,7 @@ long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,
                 num_pages++;
         }
 
-        req = fuse_get_req(fc, FUSE_MAX_PAGES_PER_REQ);
+        req = fuse_get_req(fc, num_pages);
         if (IS_ERR(req)) {
                 err = PTR_ERR(req);
                 req = NULL;