malloc to calloc

src/network/net_3c501.c

@@ -1080,8 +1080,7 @@ threec501_nic_init(UNUSED(const device_t *info))
     uint32_t     mac;
     threec501_t *dev;
 
-    dev = malloc(sizeof(threec501_t));
-    memset(dev, 0x00, sizeof(threec501_t));
+    dev = calloc(1, sizeof(threec501_t));
     dev->maclocal[0] = 0x02; /* 02:60:8C (3Com OID) */
     dev->maclocal[1] = 0x60;
     dev->maclocal[2] = 0x8C;

src/network/net_3c503.c

@@ -573,8 +573,7 @@ threec503_nic_init(UNUSED(const device_t *info))
     uint32_t     mac;
     threec503_t *dev;
 
-    dev = malloc(sizeof(threec503_t));
-    memset(dev, 0x00, sizeof(threec503_t));
+    dev = calloc(1, sizeof(threec503_t));
     dev->maclocal[0] = 0x02; /* 02:60:8C (3Com OID) */
     dev->maclocal[1] = 0x60;
     dev->maclocal[2] = 0x8C;

src/network/net_dp8390.c

@@ -918,8 +918,7 @@ dp8390_set_defaults(dp8390_t *dev, uint8_t flags)
 void
 dp8390_mem_alloc(dp8390_t *dev, uint32_t start, uint32_t size)
 {
-    dev->mem = (uint8_t *) malloc(size * sizeof(uint8_t));
-    memset(dev->mem, 0, size * sizeof(uint8_t));
+    dev->mem = (uint8_t *) calloc(size, sizeof(uint8_t));
     dev->mem_start = start;
     dev->mem_end   = start + size;
     dev->mem_size  = size;
@@ -1007,8 +1006,7 @@ dp8390_soft_reset(dp8390_t *dev)
 static void *
 dp8390_init(UNUSED(const device_t *info))
 {
-    dp8390_t *dp8390 = (dp8390_t *) malloc(sizeof(dp8390_t));
-    memset(dp8390, 0, sizeof(dp8390_t));
+    dp8390_t *dp8390 = (dp8390_t *) calloc(1, sizeof(dp8390_t));
 
     /* Set values assuming WORD and only the clear IRQ flag -
        - the NIC can then call dp8390_set_defaults() again to

src/network/net_ne2000.c

@@ -912,15 +912,13 @@ nic_init(const device_t *info)
 {
     uint32_t mac;
     uint32_t mac_oui;
-    char    *rom;
+    char    *rom = NULL;
     nic_t   *dev;
     int      set_oui = 0;
 
-    dev = malloc(sizeof(nic_t));
-    memset(dev, 0x00, sizeof(nic_t));
+    dev = calloc(1, sizeof(nic_t));
     dev->name  = info->name;
     dev->board = info->local;
-    rom        = NULL;
 
     if (dev->board >= NE2K_RTL8019AS) {
         dev->base_address = 0x340;

src/network/net_pcnet.c

@@ -2916,8 +2916,7 @@ pcnet_init(const device_t *info)
     int      c;
     uint16_t checksum;
 
-    dev = malloc(sizeof(nic_t));
-    memset(dev, 0x00, sizeof(nic_t));
+    dev = calloc(1, sizeof(nic_t));
     dev->name  = info->name;
     dev->board = info->local & 0xff;
 

src/network/net_plip.c

@@ -445,8 +445,7 @@ plip_rx(void *priv, uint8_t *buf, int io_len)
 static void *
 plip_lpt_init(void *lpt)
 {
-    plip_t *dev = (plip_t *) malloc(sizeof(plip_t));
-    memset(dev, 0, sizeof(plip_t));
+    plip_t *dev = (plip_t *) calloc(1, sizeof(plip_t));
 
     plip_log(1, "PLIP: lpt_init()\n");
 

src/network/net_slirp.c

@@ -133,7 +133,7 @@ net_slirp_clock_get_ns(UNUSED(void *opaque))
 static void *
 net_slirp_timer_new(SlirpTimerCb cb, void *cb_opaque, UNUSED(void *opaque))
 {
-    pc_timer_t *timer = malloc(sizeof(pc_timer_t));
+    pc_timer_t *timer = calloc(1, sizeof(pc_timer_t));
     timer_add(timer, cb, cb_opaque, 0);
     return timer;
 }
@@ -422,8 +422,7 @@ net_slirp_init(const netcard_t *card, const uint8_t *mac_addr, UNUSED(void *priv
 
 #ifndef _WIN32
     slirp->pfd_size = 16 * sizeof(struct pollfd);
-    slirp->pfd      = malloc(slirp->pfd_size);
-    memset(slirp->pfd, 0, slirp->pfd_size);
+    slirp->pfd      = calloc(1, slirp->pfd_size);
 #endif
 
     /* Set the IP addresses to use. */

src/network/net_wd8003.c

@@ -651,8 +651,7 @@ wd_init(const device_t *info)
     uint32_t mac;
     wd_t    *dev;
 
-    dev = malloc(sizeof(wd_t));
-    memset(dev, 0x00, sizeof(wd_t));
+    dev = calloc(1, sizeof(wd_t));
     dev->name  = info->name;
     dev->board = info->local;