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authorArend Van Spriel <arend.vanspriel@broadcom.com>2018-04-26 12:16:47 +0200
committerKalle Valo <kvalo@codeaurora.org>2018-04-30 13:39:38 +0300
commitcb746e47837ad0f35c8ae28e9aacc8eb07916d2a (patch)
tree7db77816a8128bd63e578438701545434a916654 /drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
parent3ea0a58cf9cf66e53f52184446fd881f828709e4 (diff)
brcmfmac: check p2pdev mac address uniqueness
The mac address for p2pdev must be different from the primary interface due to firmware requirement. Add an explicit check for this requirement if user-space provides a mac address. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index bcef208a81a5..4b2149b48362 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -2073,6 +2073,13 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
}
pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
+
+ /* firmware requires unique mac address for p2pdev interface */
+ if (addr && ether_addr_equal(addr, pri_ifp->mac_addr)) {
+ brcmf_err("discovery vif must be different from primary interface\n");
+ return ERR_PTR(-EINVAL);
+ }
+
brcmf_p2p_generate_bss_mac(p2p, addr);
brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr);