linux-kernel - [PATCH] tools: hv: fcopy: set 'error' in case an unknown operation was requested

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Message-Id: <20180904160407.13925-1-vkuznets@redhat.com>
Date:   Tue,  4 Sep 2018 18:04:07 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     devel@...uxdriverproject.org
Cc:     linux-kernel@...r.kernel.org,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>
Subject: [PATCH] tools: hv: fcopy: set 'error' in case an unknown operation was requested

'error' variable is left uninitialized in case we see an unknown operation.
As we don't immediately return and proceed to pwrite() we need to set it
to something, HV_E_FAIL sounds good enough.

Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
 tools/hv/hv_fcopy_daemon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c
index d78aed86af09..8ff8cb1a11f4 100644
--- a/tools/hv/hv_fcopy_daemon.c
+++ b/tools/hv/hv_fcopy_daemon.c
@@ -234,6 +234,7 @@ int main(int argc, char *argv[])
 			break;
 
 		default:
+			error = HV_E_FAIL;
 			syslog(LOG_ERR, "Unknown operation: %d",
 				buffer.hdr.operation);
 
-- 
2.14.4