Chris Wilson f648661bc7 drm/i915/selftests: Avoid ERR_PTR dereference ... Along the early error path for igt_switch_to_kernel_context we may try to dereference an invalid error pointer. Instead, return early rather than dump the GEM trace since we haven't yet emitted anything of interest. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 09a4c02e58 ("drm/i915: Look for an active kernel context before switching") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180620112441.13085-1-chris@chris-wilson.co.uk		2018-06-20 13:12:22 +01:00
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drm	drm/i915/selftests: Avoid ERR_PTR dereference	2018-06-20 13:12:22 +01:00
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