Dan Carpenter 8e6fafd5a2 drm/amd/display: Fix off by one in hdmi_14_process_transaction() ... The hdcp_i2c_offsets[] array did not have an entry for HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE so it led to an off by one read overflow. I added an entry and copied the 0x0 value for the offset from similar code in drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c. I also declared several of these arrays as having HDCP_MESSAGE_ID_MAX entries. This doesn't change the code, but it's just a belt and suspenders approach to try future proof the code. Fixes: 4c283fdac0 ("drm/amd/display: Add HDCP module") Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>		2021-03-03 10:51:37 -05:00
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hdcp_msg.c	drm/amd/display: Fix off by one in hdmi_14_process_transaction()	2021-03-03 10:51:37 -05:00
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