fuse: fix SetPageUptodate() condition in STORE

As noticed by Coverity the "num != 0" condition never triggers.  Instead it
should check for a complete page.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index fa8cb4b7b8fe..0a648bb455ae 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1587,7 +1587,8 @@ static int fuse_notify_store(struct fuse_conn *fc, unsigned int size,
 
                 this_num = min_t(unsigned, num, PAGE_CACHE_SIZE - offset);
                 err = fuse_copy_page(cs, &page, offset, this_num, 0);
-                if (!err && offset == 0 && (num != 0 || file_size == end))
+                if (!err && offset == 0 &&
+                    (this_num == PAGE_CACHE_SIZE || file_size == end))
                         SetPageUptodate(page);
                 unlock_page(page);
                 page_cache_release(page);