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drm/vmwgfx: Fix a buffer object leak

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commit 13f149d473 upstream.

A buffer object leak was introduced when fixing a premature buffer
object release. Fix this.

Cc: <stable@vger.kernel.org>
Fixes: 73a88250b7 ("Fix a destoy-while-held mutex problem.")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Hellstrom 2018-04-26 09:59:30 +02:00 committed by Greg Kroah-Hartman
parent f463b6cbce
commit 4eb1eb94f2
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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@ -1991,6 +1991,7 @@ void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx,
vmw_kms_helper_buffer_finish(res->dev_priv, NULL, ctx->buf,
out_fence, NULL);
vmw_dmabuf_unreference(&ctx->buf);
vmw_resource_unreserve(res, false, NULL, 0);
mutex_unlock(&res->dev_priv->cmdbuf_mutex);
}