diff options
Diffstat (limited to 'sys/dev/sound/pcm/sound.c')
| -rw-r--r-- | sys/dev/sound/pcm/sound.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c index 3fe301d..dee3c99 100644 --- a/sys/dev/sound/pcm/sound.c +++ b/sys/dev/sound/pcm/sound.c @@ -469,7 +469,8 @@ sysctl_hw_snd_maxautovchans(SYSCTL_HANDLER_ARGS) if (v > SND_MAXVCHANS) v = SND_MAXVCHANS; snd_maxautovchans = v; - for (i = 0; i < devclass_get_maxunit(pcm_devclass); i++) { + for (i = 0; pcm_devclass != NULL && + i < devclass_get_maxunit(pcm_devclass); i++) { d = devclass_get_softc(pcm_devclass, i); if (d == NULL) continue; @@ -914,7 +915,8 @@ sysctl_hw_snd_clone_gc(SYSCTL_HANDLER_ARGS) err = sysctl_handle_int(oidp, &val, sizeof(val), req); if (err == 0 && req->newptr != NULL && val != 0) { - for (i = 0; i < devclass_get_maxunit(pcm_devclass); i++) { + for (i = 0; pcm_devclass != NULL && + i < devclass_get_maxunit(pcm_devclass); i++) { d = devclass_get_softc(pcm_devclass, i); if (d == NULL || d->clones == NULL) continue; @@ -1130,7 +1132,8 @@ pcm_unregister(device_t dev) /* * Reassign default unit to the next available dev. */ - for (i = 0; i < devclass_get_maxunit(pcm_devclass); i++) { + for (i = 0; pcm_devclass != NULL && + i < devclass_get_maxunit(pcm_devclass); i++) { if (device_get_unit(dev) == i || devclass_get_softc(pcm_devclass, i) == NULL) continue; @@ -1332,7 +1335,8 @@ sound_oss_sysinfo(oss_sysinfo *si) if (pcm_devclass != NULL) { j = 0; - for (i = 0; i < devclass_get_maxunit(pcm_devclass); i++) { + for (i = 0; pcm_devclass != NULL && + i < devclass_get_maxunit(pcm_devclass); i++) { d = devclass_get_softc(pcm_devclass, i); if (!d) continue; |
