Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/namei.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/fs/namei.c b/fs/namei.c
index 7eb59cc..0c112c3 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3392,8 +3392,14 @@ static long do_unlinkat(int dfd, const char __user *pathname)
struct dentry *dentry;
struct nameidata nd;
struct inode *inode = NULL;
+ unsigned int try = 0;
+ unsigned int lookup_flags = LOOKUP_PARENT;
- error = user_path_parent(dfd, pathname, &nd, &name);
+ name = getname(pathname);
+ if (IS_ERR(name))
+ return PTR_ERR(name);
+retry:
+ error = do_path_lookup(dfd, name, lookup_flags, &nd);
if (error)
return error;
@@ -3430,6 +3436,10 @@ exit2:
mnt_drop_write(nd.path.mnt);
exit1:
path_put(&nd.path);
+ if (retry_estale(error, try++)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
putname(name);
return error;
--
1.7.11.2
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