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authorJoel Stanley <joel@jms.id.au>2019-12-12 01:32:01 +0300
committerJoel Stanley <joel@jms.id.au>2019-12-12 01:32:06 +0300
commitfdc60468f3e452364d432f1a7c3f83d58bba1b84 (patch)
treede7197f150958ae72cb87b6cf4885610f3edd704 /sound/usb
parent20572eecd7248b66d855a8e4812debd9f828ccba (diff)
parent8539dfa4fcbcf58c3c2f92ac57b964add884d12b (diff)
downloadlinux-dev-5.3.tar.xz
Merge tag 'v5.3.15' into dev-5.3dev-5.3
This is the 5.3.15 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/endpoint.c3
-rw-r--r--sound/usb/mixer.c7
-rw-r--r--sound/usb/quirks.c4
-rw-r--r--sound/usb/validate.c6
4 files changed, 14 insertions, 6 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index a2ab8e8d3a93..4a9a2f6ef5a4 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -388,6 +388,9 @@ static void snd_complete_urb(struct urb *urb)
}
prepare_outbound_urb(ep, ctx);
+ /* can be stopped during prepare callback */
+ if (unlikely(!test_bit(EP_FLAG_RUNNING, &ep->flags)))
+ goto exit_clear;
} else {
retire_inbound_urb(ep, ctx);
/* can be stopped during retire callback */
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 673652ad7018..bd1cffb2ab50 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1229,7 +1229,8 @@ static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval,
if (cval->min + cval->res < cval->max) {
int last_valid_res = cval->res;
int saved, test, check;
- get_cur_mix_raw(cval, minchn, &saved);
+ if (get_cur_mix_raw(cval, minchn, &saved) < 0)
+ goto no_res_check;
for (;;) {
test = saved;
if (test < cval->max)
@@ -1249,6 +1250,7 @@ static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval,
snd_usb_set_cur_mix_value(cval, minchn, 0, saved);
}
+no_res_check:
cval->initialized = 1;
}
@@ -2928,6 +2930,9 @@ static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer,
continue;
iface = usb_ifnum_to_if(dev, intf);
+ if (!iface)
+ continue;
+
num = iface->num_altsetting;
if (num < 2)
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 0bbe1201a6ac..349e1e52996d 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -248,8 +248,8 @@ static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
NULL, USB_MS_MIDI_OUT_JACK);
if (!injd && !outjd)
return -ENODEV;
- if (!(injd && snd_usb_validate_midi_desc(injd)) ||
- !(outjd && snd_usb_validate_midi_desc(outjd)))
+ if ((injd && !snd_usb_validate_midi_desc(injd)) ||
+ (outjd && !snd_usb_validate_midi_desc(outjd)))
return -ENODEV;
if (injd && (injd->bLength < 5 ||
(injd->bJackType != USB_MS_EMBEDDED &&
diff --git a/sound/usb/validate.c b/sound/usb/validate.c
index a5e584b60dcd..389e8657434a 100644
--- a/sound/usb/validate.c
+++ b/sound/usb/validate.c
@@ -81,9 +81,9 @@ static bool validate_processing_unit(const void *p,
switch (v->protocol) {
case UAC_VERSION_1:
default:
- /* bNrChannels, wChannelConfig, iChannelNames, bControlSize */
- len += 1 + 2 + 1 + 1;
- if (d->bLength < len) /* bControlSize */
+ /* bNrChannels, wChannelConfig, iChannelNames */
+ len += 1 + 2 + 1;
+ if (d->bLength < len + 1) /* bControlSize */
return false;
m = hdr[len];
len += 1 + m + 1; /* bControlSize, bmControls, iProcessing */