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drm/i915: Don't overrun the intel_wa_regs array
authorDamien Lespiau <damien.lespiau@intel.com>
Sat, 30 Aug 2014 15:51:00 +0000 (16:51 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 3 Sep 2014 10:38:54 +0000 (12:38 +0200)
commit55820e1e840def3802fc366607f2b25e31036ab1
tree32b942fb92c24295ea12a11c9945e30c80c07542tree | snapshot
parent1ed1ef9dd91ef8067a45889367a888c7494675e0commit | diff
drm/i915: Don't overrun the intel_wa_regs array

When entering intel_ring_emit_wa() with num_wa_regs equal to
I915_MAX_WA_REGS, we end up indexing the intel_wa_regs array beyond its
allocation.

Fix the check then.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_ringbuffer.c diff | blob | history
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