pcap: Fix failure check on write() in pcapm()

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2021-10-21 17:36:05 +02:00
parent 73a4a6b7cd
commit 000ae818d4
1 changed files with 2 additions and 1 deletions
--- a/pcap.c
+++ b/pcap.c
@@ -118,7 +118,8 @@ void pcapm(struct msghdr *mh)

 		if (write(pcap_fd, &h, sizeof(h)) < 0)
 			goto fail;
-		if (write(pcap_fd, (char *)iov->iov_base + 4, iov->iov_len - 4))
+		if (write(pcap_fd, (char *)iov->iov_base + 4,
+			  iov->iov_len - 4) < 0)
 			goto fail;
 	}