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vfs: namei: use path_equal() in follow_dotdot()

PATCH RESEND New Danilo Krummrich 1 participant 1 message Apr 24, 2018 VFS

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Danilo Krummrich

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PATCH RESEND 1/1 vfs: namei: use path_equal() in follow_dotdot()

Use path_equal() to detect whether we're already in root.

Signed-off-by Danilo Krummrich <[email protected]>
---
 fs/namei.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
fs/namei.c +1 -3
index 186bd2464fd5..6f0dc40f88c5 100644
@@ -1438,10 +1438,8 @@ static int path_parent_directory(struct path *path)
 static int follow_dotdot(struct nameidata *nd)
 {
 	while(1) {
-		if (nd->path.dentry == nd->root.dentry &&
-		    nd->path.mnt == nd->root.mnt) {
+		if (path_equal(&nd->path, &nd->root))
 			break;
-		}
 		if (nd->path.dentry != nd->path.mnt->mnt_root) {
 			int ret = path_parent_directory(&nd->path);
 			if (ret)
Signature · 1 line
2.17.0