[B43]: Fix sparse warnings.

The remaining warning in phy.c will be fixed later.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index fd4ef27..66c89df 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1062,7 +1062,7 @@
 	B43_WARN_ON(!dev->noisecalc.calculation_running);
 	if (dev->noisecalc.channel_at_start != phy->channel)
 		goto drop_calculation;
-	*((u32 *) noise) = cpu_to_le32(b43_jssi_read(dev));
+	*((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev));
 	if (noise[0] == 0x7F || noise[1] == 0x7F ||
 	    noise[2] == 0x7F || noise[3] == 0x7F)
 		goto generate_new;
@@ -1598,8 +1598,7 @@
 			 const char *name,
 			 const struct firmware **fw)
 {
-	const size_t plen = sizeof(modparam_fwpostfix) + 32;
-	char path[plen];
+	char path[sizeof(modparam_fwpostfix) + 32];
 	struct b43_fw_header *hdr;
 	u32 size;
 	int err;