drm/i915/gvt: return error code if dma map iova failed

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When doing dma map failed for a pfn, kvmgt should unpin the
pfn and return error code to device module driver

Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Cc: xinda.zhao@intel.com
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

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Chuanxiao Dong 2017-02-14 17:15:54 +08:00 • committed by Zhenyu Wang

parent bc6a1c8579

commit 4a0b3444da

1 changed files with 4 additions and 1 deletions

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drivers/gpu/drm/i915/gvt/kvmgt.c

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