Re: [PATCH 13/30] net: Don't do pointless kmalloc return value casts in zd1211 driver

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Jesper Juhl wrote:
Since kmalloc() returns a void pointer there is no reason to cast
its return value.
This patch also removes a pointless initialization of a variable.

NAK: adds a sparse warning
zd_chip.c:116:15: warning: implicit cast to nocast type

Signed-off-by: Jesper Juhl <[email protected]>
---
 drivers/net/wireless/zd1211rw/zd_chip.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index c39f198..4942e5c 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -106,8 +106,8 @@ int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr
 {
 	int r;
 	int i;
-	zd_addr_t *a16 = (zd_addr_t *)NULL;
 	u16 *v16;
+	zd_addr_t *a16;
 	unsigned int count16;
if (count > USB_MAX_IOREAD32_COUNT)
@@ -115,8 +115,7 @@ 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;
-	a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
-		                   GFP_KERNEL);
+	a16 = kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)), GFP_KERNEL);
 	if (!a16) {
 		dev_dbg_f(zd_chip_dev(chip),
 			  "error ENOMEM in allocation of a16\n");

-
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