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[Qemu-devel] [PATCH] fsdev/virtfs-proxy-helper: Fix improper use of nega


From: Shannon Zhao
Subject: [Qemu-devel] [PATCH] fsdev/virtfs-proxy-helper: Fix improper use of negative value
Date: Mon, 16 Mar 2015 09:20:29 +0800

It's detected by coverity. Check the return value of proxy_marshal.

Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
 fsdev/virtfs-proxy-helper.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fsdev/virtfs-proxy-helper.c b/fsdev/virtfs-proxy-helper.c
index c1da2d7..bf2e5f3 100644
--- a/fsdev/virtfs-proxy-helper.c
+++ b/fsdev/virtfs-proxy-helper.c
@@ -262,6 +262,9 @@ static int send_status(int sockfd, struct iovec *iovec, int 
status)
      */
     msg_size = proxy_marshal(iovec, 0, "ddd", header.type,
                              header.size, status);
+    if (msg_size < 0) {
+        return msg_size;
+    }
     retval = socket_write(sockfd, iovec->iov_base, msg_size);
     if (retval < 0) {
         return retval;
-- 
1.8.3.1





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