From: Colin Ian King colin.king@canonical.com
Variable sample_accum is not being intialized and then has ep->sample_rem added to it, leading to a bogus value. One solution is to initialize it to zero at declaration time, but it is probably best to just assign it to ep->sample_rem on first use.
Addresses-Coveriry: ("Uninitialized scalar variable") Fixes: f0bd62b64016 ("ALSA: usb-audio: Improve frames size computation") Signed-off-by: Colin Ian King colin.king@canonical.com --- sound/usb/endpoint.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 42c0d2db8ba8..c6a33732db3f 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -182,7 +182,7 @@ static int next_packet_size(struct snd_usb_endpoint *ep, unsigned int avail) if (ep->fill_max) return ep->maxframesize;
- sample_accum += ep->sample_rem; + sample_accum = ep->sample_rem; if (sample_accum >= ep->pps) { sample_accum -= ep->pps; ret = ep->packsize[1];