Fix resource leak in lnx_eth_init_socket

GNS3 · Mar 10, 2024 · 74c13f2 · 74c13f2
1 parent 5792be8
commit 74c13f2
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/common/linux_eth.c b/common/linux_eth.c
@@ -83,13 +83,15 @@ int lnx_eth_init_socket(char *device)
 
    if (bind(sck,(struct sockaddr *)&sa,sizeof(struct sockaddr_ll)) == -1) {
       fprintf(stderr,"eth_init_socket: bind: %s\n",strerror(errno));
+      close(sck);
       return(-1);
    }
 
    if (setsockopt(sck,SOL_PACKET,PACKET_ADD_MEMBERSHIP,
                   &mreq,sizeof(mreq)) == -1) 
    {
       fprintf(stderr,"eth_init_socket: setsockopt: %s\n",strerror(errno));
+      close(sck);
       return(-1);
    }