diff options
Diffstat (limited to 'drivers/of/device.c')
| -rw-r--r-- | drivers/of/device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index f685e55e071..dafb9736ab9 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -85,6 +85,9 @@ ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len) int cplen, i; ssize_t tsize, csize, repend; + if ((!dev) || (!dev->of_node)) + return -ENODEV; + /* Name & Type */ csize = snprintf(str, len, "of:N%sT%s", dev->of_node->name, dev->of_node->type); |