CVS commit: src/sys/external/bsd/drm2/dist/drm/radeon

["SAITOH Masanobu" <msaitoh%netbsd.org@localhost>]

Module Name:    src
Committed By:   msaitoh
Date:           Tue Jan  7 13:51:38 UTC 2020

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/radeon: radeon_atombios_dp.c

Log Message:
 Don't call memcpy() when the length is 0 (and the source pointer is NULL)
in radeon_dp_aux_transfer_atom() to avoid undefined behavior. Found by kUBSan.


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 \
    src/sys/external/bsd/drm2/dist/drm/radeon/radeon_atombios_dp.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.