linux-kernel - [PATCH v2 4/4] virt: vbox: Log an error when we fail to get the host version

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Message-Id: <20180329152857.32694-4-hdegoede@redhat.com>
Date:   Thu, 29 Mar 2018 17:28:57 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Michael Thayer <michael.thayer@...cle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/4] virt: vbox: Log an error when we fail to get the host version

This was the only error path during probe without a message being logged
about what went wrong, this fixes this.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
---
 drivers/virt/vboxguest/vboxguest_core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c
index 7411a535fda2..2f3856a95856 100644
--- a/drivers/virt/vboxguest/vboxguest_core.c
+++ b/drivers/virt/vboxguest/vboxguest_core.c
@@ -727,8 +727,10 @@ static int vbg_query_host_version(struct vbg_dev *gdev)
 
 	rc = vbg_req_perform(gdev, req);
 	ret = vbg_status_code_to_errno(rc);
-	if (ret)
+	if (ret) {
+		vbg_err("%s error: %d\n", __func__, rc);
 		goto out;
+	}
 
 	snprintf(gdev->host_version, sizeof(gdev->host_version), "%u.%u.%ur%u",
 		 req->major, req->minor, req->build, req->revision);
-- 
2.17.0.rc1