drm/i915: Silence compiler for GTT selftests
gcc-4.7 spotted that In file included from drivers/gpu/drm/i915/i915_gem_gtt.c:3791:0: drivers/gpu/drm/i915/selftests/i915_gem_gtt.c: In function ‘pot_hole’: drivers/gpu/drm/i915/selftests/i915_gem_gtt.c:594:6: error: ‘err’ may be used uninitialized in this function [-Werror=maybe-uninitialized] So set it to 0 should we ever skip over a hole smaller than a few pages. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170214113756.27834-1-chris@chris-wilson.co.uk Reviewed-by: Matthew Auld <matthew.auld@intel.com>
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@ -591,7 +591,7 @@ static int pot_hole(struct drm_i915_private *i915,
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struct i915_vma *vma;
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unsigned long flags;
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unsigned int pot;
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int err;
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int err = 0;
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flags = PIN_OFFSET_FIXED | PIN_USER;
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if (i915_is_ggtt(vm))
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