diff options
| author | Takashi Iwai <tiwai@suse.de> | 2015-03-20 12:05:13 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-03-20 12:05:13 +0100 |
| commit | 2fc911527eb2a9ca27a7d0bfd6e2e715541d09ed (patch) | |
| tree | 8211922cb84d52c177755e6efc0e3a14a5a9faa6 | |
| parent | 047aa0ea8e65d07c321e895b11d5f92c12ddc02f (diff) | |
| download | hda-emu-2fc911527eb2a9ca27a7d0bfd6e2e715541d09ed.tar.gz | |
Fix NULL dereference in device_del()
Don't call remove callback unless the device is really added
| -rw-r--r-- | snd-wrapper.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/snd-wrapper.c b/snd-wrapper.c index 7a0ccd2..e98fc30 100644 --- a/snd-wrapper.c +++ b/snd-wrapper.c @@ -785,8 +785,10 @@ void device_del(struct device *dev) { dev->registered = false; - dev->driver->remove(dev); - dev->driver = NULL; + if (dev->driver) { + dev->driver->remove(dev); + dev->driver = NULL; + } } int device_attach(struct device *dev) |