From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 22 Apr 2015 15:27:43 +0000 (-0400)
Subject: namei: take O_NOFOLLOW treatment into do_last()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f488443d1dc50454acd549ddd856421e8f961f98;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

namei: take O_NOFOLLOW treatment into do_last()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namei.c b/fs/namei.c
index a77f9ca2c3e7..4c1a8bf917e4 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3059,6 +3059,11 @@ finish_lookup:
 			}
 		}
 		BUG_ON(inode != path->dentry->d_inode);
+		if (!(nd->flags & LOOKUP_FOLLOW)) {
+			path_put_conditional(path, nd);
+			path_put(&nd->path);
+			return -ELOOP;
+		}
 		return 1;
 	}
 
@@ -3243,12 +3248,6 @@ static struct file *path_openat(int dfd, struct filename *pathname,
 	while (unlikely(error > 0)) { /* trailing symlink */
 		struct path link = path;
 		void *cookie;
-		if (!(nd->flags & LOOKUP_FOLLOW)) {
-			path_put_conditional(&path, nd);
-			path_put(&nd->path);
-			error = -ELOOP;
-			break;
-		}
 		error = may_follow_link(&link, nd);
 		if (unlikely(error))
 			break;