Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/xattr.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/fs/xattr.c b/fs/xattr.c
index 42284fc..3a5e3ff 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -505,12 +505,17 @@ SYSCALL_DEFINE4(lgetxattr, const char __user *, pathname,
{
struct path path;
ssize_t error;
+ unsigned int try = 0;
+ unsigned int lookup_flags = 0;
- error = user_lpath(pathname, &path);
- if (error)
- return error;
- error = getxattr(path.dentry, name, value, size);
- path_put(&path);
+ do {
+ error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);
+ if (error)
+ break;
+ error = getxattr(path.dentry, name, value, size);
+ path_put(&path);
+ lookup_flags |= LOOKUP_REVAL;
+ } while (retry_estale(error, try++));
return error;
}
--
1.7.11.7
--
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