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Diffstat (limited to 'fs/stat.c')
-rw-r--r--fs/stat.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/stat.c b/fs/stat.c
index d5c61cf2b703..961039121cb8 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -75,13 +75,16 @@ int vfs_fstatat(int dfd, const char __user *filename, struct kstat *stat,
75 int error = -EINVAL; 75 int error = -EINVAL;
76 int lookup_flags = 0; 76 int lookup_flags = 0;
77 77
78 if ((flag & ~(AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT)) != 0) 78 if ((flag & ~(AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT |
79 AT_EMPTY_PATH)) != 0)
79 goto out; 80 goto out;
80 81
81 if (!(flag & AT_SYMLINK_NOFOLLOW)) 82 if (!(flag & AT_SYMLINK_NOFOLLOW))
82 lookup_flags |= LOOKUP_FOLLOW; 83 lookup_flags |= LOOKUP_FOLLOW;
83 if (flag & AT_NO_AUTOMOUNT) 84 if (flag & AT_NO_AUTOMOUNT)
84 lookup_flags |= LOOKUP_NO_AUTOMOUNT; 85 lookup_flags |= LOOKUP_NO_AUTOMOUNT;
86 if (flag & AT_EMPTY_PATH)
87 lookup_flags |= LOOKUP_EMPTY;
85 88
86 error = user_path_at(dfd, filename, lookup_flags, &path); 89 error = user_path_at(dfd, filename, lookup_flags, &path);
87 if (error) 90 if (error)
@@ -297,7 +300,7 @@ SYSCALL_DEFINE4(readlinkat, int, dfd, const char __user *, pathname,
297 if (bufsiz <= 0) 300 if (bufsiz <= 0)
298 return -EINVAL; 301 return -EINVAL;
299 302
300 error = user_path_at(dfd, pathname, 0, &path); 303 error = user_path_at(dfd, pathname, LOOKUP_EMPTY, &path);
301 if (!error) { 304 if (!error) {
302 struct inode *inode = path.dentry->d_inode; 305 struct inode *inode = path.dentry->d_inode;
303 306