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-rw-r--r--sound/usb/usbaudio.c12
-rw-r--r--sound/usb/usbmixer.c6
-rw-r--r--sound/usb/usx2y/usbusx2yaudio.c6
3 files changed, 8 insertions, 16 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index a82412b..a756950 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -859,10 +859,8 @@ static void release_urb_ctx(snd_urb_ctx_t *u)
usb_free_urb(u->urb);
u->urb = NULL;
}
- if (u->buf) {
- kfree(u->buf);
- u->buf = NULL;
- }
+ kfree(u->buf);
+ u->buf = NULL;
}
/*
@@ -880,10 +878,8 @@ static void release_substream_urbs(snd_usb_substream_t *subs, int force)
release_urb_ctx(&subs->dataurb[i]);
for (i = 0; i < SYNC_URBS; i++)
release_urb_ctx(&subs->syncurb[i]);
- if (subs->tmpbuf) {
- kfree(subs->tmpbuf);
- subs->tmpbuf = NULL;
- }
+ kfree(subs->tmpbuf);
+ subs->tmpbuf = NULL;
subs->nurbs = 0;
}
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 83ba665..e73c1c9 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -623,10 +623,8 @@ static struct usb_feature_control_info audio_feature_info[] = {
/* private_free callback */
static void usb_mixer_elem_free(snd_kcontrol_t *kctl)
{
- if (kctl->private_data) {
- kfree(kctl->private_data);
- kctl->private_data = NULL;
- }
+ kfree(kctl->private_data);
+ kctl->private_data = NULL;
}
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 4c292e0..62dfd28 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -401,10 +401,8 @@ static void usX2Y_urbs_release(snd_usX2Y_substream_t *subs)
for (i = 0; i < NRURBS; i++)
usX2Y_urb_release(subs->urb + i, subs != subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
- if (subs->tmpbuf) {
- kfree(subs->tmpbuf);
- subs->tmpbuf = NULL;
- }
+ kfree(subs->tmpbuf);
+ subs->tmpbuf = NULL;
}
/*
* initialize a substream's urbs
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