Re: [PATCH][next] drm/amd/display: fix double assignment to msg_id field

From: Harry Wentland
Date: Wed Nov 27 2019 - 11:52:20 EST


On 2019-11-20 12:22 p.m., Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The msg_id field is being assigned twice. Fix this by replacing the second
> assignment with an assignment to msg_size.
>
> Addresses-Coverity: ("Unused value")
> Fixes: 11a00965d261 ("drm/amd/display: Add PSP block to verify HDCP2.2 steps")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Reviewed-by: Harry Wentland <harry.wentland>

Harry

> ---
> drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
> index 2dd5feec8e6c..6791c5844e43 100644
> --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
> +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
> @@ -42,7 +42,7 @@ static void hdcp2_message_init(struct mod_hdcp *hdcp,
> in->process.msg2_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
> in->process.msg2_desc.msg_size = 0;
> in->process.msg3_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
> - in->process.msg3_desc.msg_id = 0;
> + in->process.msg3_desc.msg_size = 0;
> }
> enum mod_hdcp_status mod_hdcp_remove_display_topology(struct mod_hdcp *hdcp)
> {
>