drm/i915/guc: Don't go bang in GuC log if no GuC

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If the GuC has failed to load for any reason and then the user pokes
the debugfs GuC log interface, a BUG and/or null pointer deref can
occur. Don't let that happen.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211210044022.1842938-5-John.C.Harrison@Intel.com

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John Harrison 2021-12-09 20:40:22 -08:00

parent 3d832f370d

commit 76aee8658b

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c

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