From: Ville Syrjälä ville.syrjala@linux.intel.com
commit 6039f37dd6b76641198e290f26b31c475248f567 upstream.
The bar values are little endian, not big endian. The pack function did it right but the unpack got it wrong. Fix it.
Cc: stable@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: Martin Bugge marbugge@cisco.com Cc: Hans Verkuil hans.verkuil@cisco.com Cc: Thierry Reding treding@nvidia.com Cc: Mauro Carvalho Chehab mchehab@osg.samsung.com Fixes: 2c676f378edb ("[media] hdmi: added unpack and logging functions for InfoFrames") Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20190919132853.30954-1-ville.s... Reviewed-by: Thierry Reding treding@nvidia.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/video/hdmi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/video/hdmi.c +++ b/drivers/video/hdmi.c @@ -1036,12 +1036,12 @@ static int hdmi_avi_infoframe_unpack(str if (ptr[0] & 0x10) frame->active_aspect = ptr[1] & 0xf; if (ptr[0] & 0x8) { - frame->top_bar = (ptr[5] << 8) + ptr[6]; - frame->bottom_bar = (ptr[7] << 8) + ptr[8]; + frame->top_bar = (ptr[6] << 8) | ptr[5]; + frame->bottom_bar = (ptr[8] << 8) | ptr[7]; } if (ptr[0] & 0x4) { - frame->left_bar = (ptr[9] << 8) + ptr[10]; - frame->right_bar = (ptr[11] << 8) + ptr[12]; + frame->left_bar = (ptr[10] << 8) | ptr[9]; + frame->right_bar = (ptr[12] << 8) | ptr[11]; } frame->scan_mode = ptr[0] & 0x3;