[PATCH 1/2] vdpa: ifcvf: return err when fail to request config irq

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We ignore the err of requesting config interrupt, fix this.

Fixes: e7991f376a4d ("ifcvf: implement config interrupt in IFCVF")
Cc: Zhu Lingshan <lingshan.zhu@xxxxxxxxx>
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
 drivers/vdpa/ifcvf/ifcvf_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index f5a60c14b979..ae7110955a44 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -76,6 +76,10 @@ static int ifcvf_request_irq(struct ifcvf_adapter *adapter)
 	ret = devm_request_irq(&pdev->dev, irq,
 			       ifcvf_config_changed, 0,
 			       vf->config_msix_name, vf);
+	if (ret) {
+		IFCVF_ERR(pdev, "Failed to request config irq\n");
+		return ret;
+	}
 
 	for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) {
 		snprintf(vf->vring[i].msix_name, 256, "ifcvf[%s]-%d\n",
-- 
2.20.1

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