From 75d63a40a5c01cf6ba9572cb124488a0e3baa6c1 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 10 Nov 2015 20:22:49 -0200 Subject: [PATCH] [media] av7110: don't allow negative volumes The issue here is that we there is a static checker warning because we have a user controlled volume setting and we cap the upper bound but we allow negative numbers. Negative volumes don't make sense, so let's make these variables unsigned. Signed-off-by: Dan Carpenter Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/pci/ttpci/av7110_av.c | 6 ++++-- drivers/media/pci/ttpci/av7110_av.h | 3 ++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c index 9ed1ec7d3551..ccb3b2c89ef8 100644 --- a/drivers/media/pci/ttpci/av7110_av.c +++ b/drivers/media/pci/ttpci/av7110_av.c @@ -280,9 +280,11 @@ int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen) } -int av7110_set_volume(struct av7110 *av7110, int volleft, int volright) +int av7110_set_volume(struct av7110 *av7110, unsigned int volleft, + unsigned int volright) { - int err, vol, val, balance = 0; + unsigned int vol, val, balance = 0; + int err; dprintk(2, "av7110:%p, \n", av7110); diff --git a/drivers/media/pci/ttpci/av7110_av.h b/drivers/media/pci/ttpci/av7110_av.h index 5f02ef85e47d..f52276f47709 100644 --- a/drivers/media/pci/ttpci/av7110_av.h +++ b/drivers/media/pci/ttpci/av7110_av.h @@ -10,7 +10,8 @@ extern int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len); extern int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen); extern int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len); -extern int av7110_set_volume(struct av7110 *av7110, int volleft, int volright); +extern int av7110_set_volume(struct av7110 *av7110, unsigned int volleft, + unsigned int volright); extern int av7110_av_stop(struct av7110 *av7110, int av); extern int av7110_av_start_record(struct av7110 *av7110, int av, struct dvb_demux_feed *dvbdmxfeed);