drm/i915: Check new context against kernel_context after reporting an error

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Avoid any pointer dereference in inspecting a potential PTR_ERR by
checking for the error pointer before checking for an invalid context.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170705142634.18554-1-chris@chris-wilson.co.uk

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Chris Wilson 2017-07-05 15:26:31 +01:00

parent 817aef5d86

commit e4d5dc218c

1 changed files with 2 additions and 3 deletions

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drivers/gpu/drm/i915/i915_gem_context.c

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