WAVELAN - compile-time check for struct sizes

[safe/jmp/linux-2.6] / drivers / net / wireless / wavelan.c

diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index b343ce2..03384a4 100644 (file)
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -49,27 +49,6 @@ static int __init wv_psa_to_irq(u8 irqval)
        return -1;
 }
 
-#ifdef STRUCT_CHECK
-/*------------------------------------------------------------------*/
-/*
- * Sanity routine to verify the sizes of the various WaveLAN interface
- * structures.
- */
-static char *wv_struct_check(void)
-{
-#define        SC(t,s,n)       if (sizeof(t) != s) return(n);
-
-       SC(psa_t, PSA_SIZE, "psa_t");
-       SC(mmw_t, MMW_SIZE, "mmw_t");
-       SC(mmr_t, MMR_SIZE, "mmr_t");
-       SC(ha_t, HA_SIZE, "ha_t");
-
-#undef SC
-
-       return ((char *) NULL);
-}                              /* wv_struct_check */
-#endif                         /* STRUCT_CHECK */
-
 /********************* HOST ADAPTER SUBROUTINES *********************/
 /*
  * Useful subroutines to manage the WaveLAN ISA interface
@@ -4215,14 +4194,11 @@ struct net_device * __init wavelan_probe(int unit)
        int i;
        int r = 0;
 
-#ifdef STRUCT_CHECK
-       if (wv_struct_check() != (char *) NULL) {
-               printk(KERN_WARNING
-                      "%s: wavelan_probe(): structure/compiler botch: \"%s\"\n",
-                      dev->name, wv_struct_check());
-               return -ENODEV;
-       }
-#endif                         /* STRUCT_CHECK */
+       /* compile-time check the sizes of structures */
+       BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
+       BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
+       BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
+       BUILD_BUG_ON(sizeof(ha_t) != HA_SIZE);
 
        dev = alloc_etherdev(sizeof(net_local));
        if (!dev)