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-rw-r--r--fs/namei.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 9d3033dc22e9..dc50bfb2f5d6 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -908,6 +908,12 @@ static int follow_automount(struct path *path, unsigned flags,
if (!path->dentry->d_op || !path->dentry->d_op->d_automount)
return -EREMOTE;
+ /* We don't want to mount if someone supplied AT_NO_AUTOMOUNT
+ * and this is the terminal part of the path.
+ */
+ if ((flags & LOOKUP_NO_AUTOMOUNT) && !(flags & LOOKUP_CONTINUE))
+ return -EISDIR; /* we actually want to stop here */
+
/* We want to mount if someone is trying to open/create a file of any
* type under the mountpoint, wants to traverse through the mountpoint
* or wants to open the mounted directory.