We cannot easily switch from file_permission() to vfs_permission()
everywhere, so fix file_permission() to not use a NULL nameidata
for the remaining users.
Signed-off-by: Andreas Gruenbacher <agruen@xxxxxxx>
Signed-off-by: John Johansen <jjohansen@xxxxxxx>
---
fs/namei.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -296,7 +296,13 @@ int vfs_permission(struct nameidata *nd,
*/
int file_permission(struct file *file, int mask)
{
- return permission(file->f_path.dentry->d_inode, mask, NULL);
+ struct nameidata nd;
+
+ nd.dentry = file->f_path.dentry;
+ nd.mnt = file->f_path.mnt;
+ nd.flags = LOOKUP_ACCESS;
+
+ return permission(nd.dentry->d_inode, mask, &nd);
}
/*
--
-
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