From: Ashish Samant <ashish.samant@oracle.com>
Date: Thu, 24 Mar 2016 19:13:27 +0000 (-0700)
Subject: fuse: Fix return value from fuse_get_user_pages()
X-Git-Tag: v4.1.12-92~176^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=cc9afd319c17c5686394a2492d52a029f32179cf;p=users%2Fjedix%2Flinux-maple.git

fuse: Fix return value from fuse_get_user_pages()

fuse_get_user_pages() should return error or 0.

Fixes: a63f124d5524e9ddc5153ad7837734eb4c2113f0

Orabug : 22988874

Signed-off-by: Ashish Samant <ashish.samant@oracle.com>
Acked-by: Srinivas Eeda <srinivas.eeda@oracle.com>
---

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index ffe9bea18c4e6..ea796dbcea2fa 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1288,7 +1288,7 @@ 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)