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drm/amd/display: Check HDCP returned status

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[ Upstream commit 5d93060d43 ]

[WHAT & HOW]
Check mod_hdcp_execute_and_set() return values in authenticated_dp.

This fixes 3 CHECKED_RETURN issues reported by Coverity.

Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alex Hung 2024-06-11 10:36:49 -06:00 committed by Greg Kroah-Hartman
parent 874e3bb302
commit 1bd1fe1109
1 changed files with 9 additions and 6 deletions
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15
drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
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@ -433,17 +433,20 @@ static enum mod_hdcp_status authenticated_dp(struct mod_hdcp *hdcp,
}
if (status == MOD_HDCP_STATUS_SUCCESS)
mod_hdcp_execute_and_set(mod_hdcp_read_bstatus,
if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus,
&input->bstatus_read, &status,
hdcp, "bstatus_read");
hdcp, "bstatus_read"))
goto out;
if (status == MOD_HDCP_STATUS_SUCCESS)
mod_hdcp_execute_and_set(check_link_integrity_dp,
if (!mod_hdcp_execute_and_set(check_link_integrity_dp,
&input->link_integrity_check, &status,
hdcp, "link_integrity_check");
hdcp, "link_integrity_check"))
goto out;
if (status == MOD_HDCP_STATUS_SUCCESS)
mod_hdcp_execute_and_set(check_no_reauthentication_request_dp,
if (!mod_hdcp_execute_and_set(check_no_reauthentication_request_dp,
&input->reauth_request_check, &status,
hdcp, "reauth_request_check");
hdcp, "reauth_request_check"))
goto out;
out:
return status;
}