diff options
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/base.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 8eaa5ea1c613..3bd5ac1ff018 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1427,16 +1427,20 @@ static int proc_exe_link(struct dentry *dentry, struct path *exe_path) static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd) { struct inode *inode = dentry->d_inode; + struct path path; int error = -EACCES; - /* We don't need a base pointer in the /proc filesystem */ - path_put(&nd->path); - /* Are we allowed to snoop on the tasks file descriptors? */ if (!proc_fd_access_allowed(inode)) goto out; - error = PROC_I(inode)->op.proc_get_link(dentry, &nd->path); + error = PROC_I(inode)->op.proc_get_link(dentry, &path); + if (error) + goto out; + + path_put(&nd->path); + nd->path = path; + return NULL; out: return ERR_PTR(error); } |