zd1211rw: document need for kmalloc cast

Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Nov 29, 2010 · 47c0531 · 47c0531
1 parent e80be0b
commit 47c0531
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -117,6 +117,7 @@ int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr
 
 	/* Allocate a single memory block for values and addresses. */
 	count16 = 2*count;
+	/* zd_addr_t is __nocast, so the kmalloc needs an explicit cast */
 	a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
 		                   GFP_KERNEL);
 	if (!a16) {