Linux 3.2.88

[pandora-kernel.git] / fs / sysfs / file.c

diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index d4e6080..779789a 100644 (file)
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -493,6 +493,12 @@ int sysfs_attr_ns(struct kobject *kobj, const struct attribute *attr,
        const void *ns = NULL;
        int err;
 
+       if (!dir_sd) {
+               WARN(1, KERN_ERR "sysfs: kobject %s without dirent\n",
+                       kobject_name(kobj));
+               return -ENOENT;
+       }
+
        err = 0;
        if (!sysfs_ns_type(dir_sd))
                goto out;