fuse: Fix return value from fuse_get_user_pages()

fuse_get_user_pages() should return error or 0. Otherwise fuse_direct_io read will not return 0 to indicate that read has completed. Fixes: 742f992 ("fuse: return patrial success from fuse_direct_io()") Signed-off-by: Ashish Samant <[email protected]> Signed-off-by: Seth Forshee <[email protected]> Signed-off-by: Miklos Szeredi <[email protected]>
chewitt · Apr 25, 2016 · 2c932d4 · 2c932d4
1 parent 02da2d7
commit 2c932d4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
@@ -1295,7 +1295,7 @@ static int fuse_get_user_pages(struct fuse_req *req, struct iov_iter *ii,
 
 	*nbytesp = nbytes;
 
-	return ret;
+	return ret < 0 ? ret : 0;
 }
 
 static inline int fuse_iter_npages(const struct iov_iter *ii_p)