This is a note to let you know that I've just added the patch titled ALSA: usb-audio: Minor code cleanup in create_fixed_stream_quirk() to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: alsa-usb-audio-minor-code-cleanup-in-create_fixed_stream_quirk.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 902eb7fd1e4af3ac69b9b30f8373f118c92b9729 Mon Sep 17 00:00:00 2001 From: Takashi Iwai <tiwai@xxxxxxx> Date: Tue, 15 Mar 2016 12:14:49 +0100 Subject: ALSA: usb-audio: Minor code cleanup in create_fixed_stream_quirk() From: Takashi Iwai <tiwai@xxxxxxx> commit 902eb7fd1e4af3ac69b9b30f8373f118c92b9729 upstream. Just a minor code cleanup: unify the error paths. Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/usb/quirks.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -167,23 +167,18 @@ static int create_fixed_stream_quirk(str stream = (fp->endpoint & USB_DIR_IN) ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; err = snd_usb_add_audio_stream(chip, stream, fp); - if (err < 0) { - kfree(fp); - kfree(rate_table); - return err; - } + if (err < 0) + goto error; if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || fp->altset_idx >= iface->num_altsetting) { - kfree(fp); - kfree(rate_table); - return -EINVAL; + err = -EINVAL; + goto error; } alts = &iface->altsetting[fp->altset_idx]; altsd = get_iface_desc(alts); if (altsd->bNumEndpoints < 1) { - kfree(fp); - kfree(rate_table); - return -EINVAL; + err = -EINVAL; + goto error; } fp->protocol = altsd->bInterfaceProtocol; @@ -196,6 +191,11 @@ static int create_fixed_stream_quirk(str snd_usb_init_pitch(chip, fp->iface, alts, fp); snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); return 0; + + error: + kfree(fp); + kfree(rate_table); + return err; } static int create_auto_pcm_quirk(struct snd_usb_audio *chip, Patches currently in stable-queue which might be from tiwai@xxxxxxx are queue-4.4/alsa-usb-audio-add-microsoft-hd-5001-to-quirks.patch queue-4.4/alsa-usb-audio-fix-null-dereference-in-create_fixed_stream_quirk.patch queue-4.4/alsa-usb-audio-minor-code-cleanup-in-create_fixed_stream_quirk.patch queue-4.4/alsa-usb-audio-fix-double-free-in-error-paths-after-snd_usb_add_audio_stream-call.patch queue-4.4/alsa-usb-audio-add-sanity-checks-for-endpoint-accesses.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html