This is a note to let you know that I've just added the patch titled
[media] cx231xx-audio: fix init error path
to the 4.11-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:
cx231xx-audio-fix-init-error-path.patch
and it can be found in the queue-4.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From fff1abc4d54e469140a699612b4db8d6397bfcba Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@xxxxxxxxxx>
Date: Mon, 13 Mar 2017 09:53:57 -0300
Subject: [media] cx231xx-audio: fix init error path
From: Johan Hovold <johan@xxxxxxxxxx>
commit fff1abc4d54e469140a699612b4db8d6397bfcba upstream.
Make sure to release the snd_card also on a late allocation error.
Fixes: e0d3bafd0258 ("V4L/DVB (10954): Add cx231xx USB driver")
Cc: Sri Deevi <Srinivasa.Deevi@xxxxxxxxxxxx>
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/usb/cx231xx/cx231xx-audio.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)
--- a/drivers/media/usb/cx231xx/cx231xx-audio.c
+++ b/drivers/media/usb/cx231xx/cx231xx-audio.c
@@ -670,10 +670,8 @@ static int cx231xx_audio_init(struct cx2
spin_lock_init(&adev->slock);
err = snd_pcm_new(card, "Cx231xx Audio", 0, 0, 1, &pcm);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto err_free_card;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&snd_cx231xx_pcm_capture);
@@ -687,10 +685,9 @@ static int cx231xx_audio_init(struct cx2
INIT_WORK(&dev->wq_trigger, audio_trigger);
err = snd_card_register(card);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto err_free_card;
+
adev->sndcard = card;
adev->udev = dev->udev;
@@ -709,9 +706,10 @@ static int cx231xx_audio_init(struct cx2
"audio EndPoint Addr 0x%x, Alternate settings: %i\n",
adev->end_point_addr, adev->num_alt);
adev->alt_max_pkt_size = kmalloc(32 * adev->num_alt, GFP_KERNEL);
-
- if (adev->alt_max_pkt_size == NULL)
- return -ENOMEM;
+ if (!adev->alt_max_pkt_size) {
+ err = -ENOMEM;
+ goto err_free_card;
+ }
for (i = 0; i < adev->num_alt; i++) {
u16 tmp =
@@ -725,6 +723,11 @@ static int cx231xx_audio_init(struct cx2
}
return 0;
+
+err_free_card:
+ snd_card_free(card);
+
+ return err;
}
static int cx231xx_audio_fini(struct cx231xx *dev)
Patches currently in stable-queue which might be from johan@xxxxxxxxxx are
queue-4.11/cx231xx-audio-fix-null-deref-at-probe.patch
queue-4.11/usb-serial-io_ti-fix-div-by-zero-in-set_termios.patch
queue-4.11/usb-chaoskey-fix-alea-quirk-on-big-endian-hosts.patch
queue-4.11/usb-hub-fix-non-ss-hub-descriptor-handling.patch
queue-4.11/cx231xx-cards-fix-null-deref-at-probe.patch
queue-4.11/usb-serial-ftdi_sio-add-olimex-arm-usb-tiny-h-pids.patch
queue-4.11/usb-serial-ftdi_sio-fix-setting-latency-for-unprivileged-users.patch
queue-4.11/usb-iowarrior-fix-info-ioctl-on-big-endian-hosts.patch
queue-4.11/watchdog-pcwd_usb-fix-null-deref-at-probe.patch
queue-4.11/gspca-konica-add-missing-endpoint-sanity-check.patch
queue-4.11/usb-serial-qcserial-add-more-lenovo-em74xx-device-ids.patch
queue-4.11/usb-serial-option-add-telit-me910-support.patch
queue-4.11/net-irda-irda-usb-fix-firmware-name-on-big-endian-hosts.patch
queue-4.11/dib0700-fix-null-deref-at-probe.patch
queue-4.11/cx231xx-audio-fix-init-error-path.patch
queue-4.11/of-fdt-add-missing-allocation-failure-check.patch
queue-4.11/usbvision-fix-null-deref-at-probe.patch
queue-4.11/usb-serial-mct_u232-fix-big-endian-baud-rate-handling.patch
queue-4.11/mceusb-fix-null-deref-at-probe.patch
queue-4.11/usb-hub-fix-ss-hub-descriptor-handling.patch
queue-4.11/ath9k_htc-fix-null-deref-at-probe.patch
queue-4.11/usb-musb-fix-trying-to-suspend-while-active-for-otg-configurations.patch