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Cleanup potential fault in eth_close if eth_close is called with a NULL argument.

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Mark Pizzolato 2012-03-20 11:16:00 -07:00
parent 93f14f76fb
commit 3ccd66d546
1 changed files with 2 additions and 1 deletions
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3
sim_ether.c
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@ -1713,12 +1713,13 @@ t_stat eth_close(ETH_DEV* dev)
{ {
char* msg = "Eth: closed %s\r\n"; char* msg = "Eth: closed %s\r\n";
pcap_t *pcap; pcap_t *pcap;
int pcap_fd = dev->fd_handle; int pcap_fd;
/* make sure device exists */ /* make sure device exists */
if (!dev) return SCPE_UNATT; if (!dev) return SCPE_UNATT;
/* close the device */ /* close the device */
pcap_fd = dev->fd_handle; /* save handle to possibly close later */
pcap = (pcap_t *)dev->handle; pcap = (pcap_t *)dev->handle;
dev->handle = NULL; dev->handle = NULL;
dev->fd_handle = 0; dev->fd_handle = 0;