snd_ctl_event 1234 sound/core/control.c if (count < sizeof(struct snd_ctl_event)) snd_ctl_event 1237 sound/core/control.c while (count >= sizeof(struct snd_ctl_event)) { snd_ctl_event 1238 sound/core/control.c struct snd_ctl_event ev; snd_ctl_event 1263 sound/core/control.c if (copy_to_user(buffer, &ev, sizeof(struct snd_ctl_event))) { snd_ctl_event 1268 sound/core/control.c buffer += sizeof(struct snd_ctl_event); snd_ctl_event 1269 sound/core/control.c count -= sizeof(struct snd_ctl_event); snd_ctl_event 1270 sound/core/control.c result += sizeof(struct snd_ctl_event);