From: Navid Emamdoost Date: Fri, 22 Nov 2019 19:19:48 +0000 (-0600) Subject: brcmfmac: Fix memory leak in brcmf_p2p_create_p2pdev() X-Git-Tag: v5.6-rc1~151^2~214^2~54 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=5cc509aa83c6acd2c5cd94f99065c39d2bd0a490;p=linux.git brcmfmac: Fix memory leak in brcmf_p2p_create_p2pdev() In the implementation of brcmf_p2p_create_p2pdev() the allocated memory for p2p_vif is leaked when the mac address is the same as primary interface. To fix this, go to error path to release p2p_vif via brcmf_free_vif(). Fixes: cb746e47837a ("brcmfmac: check p2pdev mac address uniqueness") Signed-off-by: Navid Emamdoost Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index 7ba9f6a68645..1f5deea5a288 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -2092,7 +2092,8 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p, /* firmware requires unique mac address for p2pdev interface */ if (addr && ether_addr_equal(addr, pri_ifp->mac_addr)) { bphy_err(drvr, "discovery vif must be different from primary interface\n"); - return ERR_PTR(-EINVAL); + err = -EINVAL; + goto fail; } brcmf_p2p_generate_bss_mac(p2p, addr);