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[3/6] wifi: wilc1000: set wilc_set_mac_address parameter as const

Message ID 20240417-mac_addr_at_probe-v1-3-67d6c9b3bc2b@bootlin.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series wifi: wilc1000: fix default mac address | expand

Commit Message

Alexis Lothoré April 17, 2024, 9:34 a.m. UTC 
Any attempt to provide a const mac address to wilc_set_mac_address results
in the following warning:

warning: passing argument 2 of 'wilc_set_mac_address' discards 'const'
qualifier from pointer target type [-Wdiscarded-qualifiers]
[...]
drivers/net/wireless/microchip/wilc1000/hif.h:170:52: note: expected 'u8 *'
{aka 'unsigned char *'} but argument is of type 'const unsigned char *'a
int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr);

Instead of using an explicit cast each time we need provide a MAC address,
set the function parameter as const

Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
---
 drivers/net/wireless/microchip/wilc1000/hif.c    | 4 ++--
 drivers/net/wireless/microchip/wilc1000/hif.h    | 2 +-
 drivers/net/wireless/microchip/wilc1000/netdev.c | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c
index 919de6ffb821..c6892b7e190f 100644
--- a/drivers/net/wireless/microchip/wilc1000/hif.c
+++ b/drivers/net/wireless/microchip/wilc1000/hif.c
@@ -1293,7 +1293,7 @@  int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
 	return result;
 }
 
-int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr)
+int wilc_set_mac_address(struct wilc_vif *vif, const u8 *mac_addr)
 {
 	struct wid wid;
 	int result;
@@ -1301,7 +1301,7 @@  int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr)
 	wid.id = WID_MAC_ADDR;
 	wid.type = WID_STR;
 	wid.size = ETH_ALEN;
-	wid.val = mac_addr;
+	wid.val = (u8 *)mac_addr;
 
 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 	if (result)
diff --git a/drivers/net/wireless/microchip/wilc1000/hif.h b/drivers/net/wireless/microchip/wilc1000/hif.h
index 0d380586b1d9..96eeaf31d237 100644
--- a/drivers/net/wireless/microchip/wilc1000/hif.h
+++ b/drivers/net/wireless/microchip/wilc1000/hif.h
@@ -167,7 +167,7 @@  int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
 		    u8 cipher_mode);
 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid);
 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr);
-int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr);
+int wilc_set_mac_address(struct wilc_vif *vif, const u8 *mac_addr);
 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
 		      size_t ies_len);
 int wilc_disconnect(struct wilc_vif *vif);
diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c
index acc9b9a64552..5ab448d0b643 100644
--- a/drivers/net/wireless/microchip/wilc1000/netdev.c
+++ b/drivers/net/wireless/microchip/wilc1000/netdev.c
@@ -678,7 +678,7 @@  static int wilc_set_mac_addr(struct net_device *dev, void *p)
 	}
 	rcu_read_unlock();
 
-	result = wilc_set_mac_address(vif, (u8 *)addr->sa_data);
+	result = wilc_set_mac_address(vif, addr->sa_data);
 	if (result)
 		return result;