Re: [PATCH] brcmfmac: use const char * for interface name in brcmf_add_if

From: Joe Perches
Date: Fri Jun 17 2016 - 07:23:24 EST


On Fri, 2016-06-17 at 12:48 +0200, RafaÅ MiÅecki wrote:
> This function can work just fine with const pointer, it only calls
> alloc_netdev which take const as well. Moreover it makes this function
> more flexible as some cfg80211 callback may provide const char * as
> well, e.g. add_virtual_intf. This will be needed for more advanced
> interface management.
[]
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
[]
> @@ -638,7 +638,7 @@ fail:
> Â}
> Â
> Âstruct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
> - ÂÂÂÂÂÂbool is_p2pdev, char *name, u8 *mac_addr)
> + ÂÂÂÂÂÂbool is_p2pdev, const char *name, u8 *mac_addr)

Looks like mac_addr should be const too

> Â{
> Â struct brcmf_if *ifp;
> Â struct net_device *ndev;
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
[]
> @@ -215,7 +215,7 @@ char *brcmf_ifname(struct brcmf_if *ifp);
> Âstruct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
> Âint brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
> Âstruct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
> - ÂÂÂÂÂÂbool is_p2pdev, char *name, u8 *mac_addr);
> + ÂÂÂÂÂÂbool is_p2pdev, const char *name, u8 *mac_addr);
> Âvoid brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked);
> Âvoid brcmf_txflowblock_if(struct brcmf_if *ifp,
> Â ÂÂenum brcmf_netif_stop_reason reason, bool state);