drm/i915: i915_mutex_interruptible() returns -EINTR
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 11 Feb 2011 20:31:19 +0000 (20:31 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 11 Feb 2011 20:32:44 +0000 (20:32 +0000)
... so we handle that for i915_gem_fault() in the same manner as
ERESTARTSYS, or we send a SIGBUS to the faulting application.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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