Message ID | 20190607072727.GB25229@mwanda (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [1/2] drm/bridge: sii902x: re-order conditions to prevent out of bounds read | expand |
On 07.06.2019 09:27, Dan Carpenter wrote: > The "num_lanes" variable needs to be signed for the error handling to > work. The "i" variable can be a regular int as well. > > Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support") > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Colin send already fix for this. Regards Andrzej > --- > drivers/gpu/drm/bridge/sii902x.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c > index 6b03616d6bc3..dd7aa466b280 100644 > --- a/drivers/gpu/drm/bridge/sii902x.c > +++ b/drivers/gpu/drm/bridge/sii902x.c > @@ -719,7 +719,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x, > .max_i2s_channels = 0, > }; > u8 lanes[4]; > - u32 num_lanes, i; > + int num_lanes, i; > > if (!of_property_read_bool(dev->of_node, "#sound-dai-cells")) { > dev_dbg(dev, "%s: No \"#sound-dai-cells\", no audio\n",
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 6b03616d6bc3..dd7aa466b280 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -719,7 +719,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x, .max_i2s_channels = 0, }; u8 lanes[4]; - u32 num_lanes, i; + int num_lanes, i; if (!of_property_read_bool(dev->of_node, "#sound-dai-cells")) { dev_dbg(dev, "%s: No \"#sound-dai-cells\", no audio\n",
The "num_lanes" variable needs to be signed for the error handling to work. The "i" variable can be a regular int as well. Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/gpu/drm/bridge/sii902x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)