drm/i915/gvt: return error when failing to take the module reference

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When we fail to take the module reference, we go to the 'undo*' branch and
return. But the returned variable 'ret' has been set as zero by the
above code. Change 'ret' to '-ENODEV' in this situation.

Fixes: 9bdb073464 ("drm/i915/gvt: Change KVMGT as self load module")
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1605187352-51761-1-git-send-email-wangxiongfeng2@huawei.com

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Xiongfeng Wang 2020-11-12 21:22:32 +08:00 • committed by Zhenyu Wang

parent edb8d77a93

commit 4ec2b69da5

1 changed files with 3 additions and 1 deletions

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

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