More sonarlint work

src/network/net_3c501.c

@@ -58,6 +58,7 @@
 #include <86box/network.h>
 #include <86box/net_3c501.h>
 #include <86box/bswap.h>
+#include <86box/plat_unused.h>
 
 /* Maximum number of times we report a link down to the guest (failure to send frame) */
 #define ELNK_MAX_LINKDOWN_REPORTED 3
@@ -192,7 +193,7 @@ typedef struct ELNK_INTR_STAT {
     uint8_t unused    : 5;
 } EL_INTR_STAT;
 
-typedef struct {
+typedef struct threec501_t {
     uint32_t base_address;
     int      base_irq;
     uint32_t bios_addr;
@@ -390,6 +391,7 @@ padr_bcast(threec501_t *dev, const uint8_t *buf)
     static uint8_t       aBCAST[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
     struct ether_header *hdr       = (struct ether_header *) buf;
     int                  result    = (dev->RcvCmd.adr_match == EL_ADRM_BCAST) && !memcmp(hdr->ether_dhost, aBCAST, 6);
+
     return result;
 }
 
@@ -401,6 +403,7 @@ padr_mcast(threec501_t *dev, const uint8_t *buf)
 {
     struct ether_header *hdr    = (struct ether_header *) buf;
     int                  result = (dev->RcvCmd.adr_match == EL_ADRM_MCAST) && ETHER_IS_MULTICAST(hdr->ether_dhost);
+
     return result;
 }
 
@@ -692,7 +695,6 @@ elnkAsyncTransmit(threec501_t *dev)
 #ifdef ENABLE_3COM501_LOG
                 threec501_log("3Com501: illegal giant frame (%u bytes) -> signalling error\n", cb);
 #endif
-                ;
             }
         } else {
             /* Signal a transmit error pretending there was a collision. */
@@ -921,6 +923,9 @@ threec501_read(uint16_t addr, void *priv)
             retval         = dev->abPacketBuf[ELNK_GP(dev)];
             dev->uGPBufPtr = (dev->uGPBufPtr + 1) & ELNK_GP_MASK;
             break;
+
+        default:
+            break;
     }
 
     elnkUpdateIrq(dev);
@@ -1007,6 +1012,9 @@ threec501_write(uint16_t addr, uint8_t value, void *priv)
             dev->abPacketBuf[ELNK_GP(dev)] = value;
             dev->uGPBufPtr                 = (dev->uGPBufPtr + 1) & ELNK_GP_MASK;
             break;
+
+        default:
+            break;
     }
 
 #ifdef ENABLE_3COM501_LOG
@@ -1068,7 +1076,7 @@ elnkR3TimerRestore(void *priv)
 }
 
 static void *
-threec501_nic_init(const device_t *info)
+threec501_nic_init(UNUSED(const device_t *info))
 {
     uint32_t     mac;
     threec501_t *dev;