[PATCH 4.12 24/84] brcmfmac: Fix a memory leak in error handling path in brcmf_cfg80211_attach
From: Greg Kroah-Hartman
Date: Wed Jul 19 2017 - 06:01:50 EST
4.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Christophe Jaillet <christophe.jaillet@xxxxxxxxxx>
commit 57c00f2fac512837f8de73474ec1f54020015bae upstream.
If 'wiphy_new()' fails, we leak 'ops'. Add a new label in the error
handling path to free it in such a case.
Fixes: 5c22fb85102a7 ("brcmfmac: add wowl gtk rekeying offload support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6855,7 +6855,7 @@ struct brcmf_cfg80211_info *brcmf_cfg802
wiphy = wiphy_new(ops, sizeof(struct brcmf_cfg80211_info));
if (!wiphy) {
brcmf_err("Could not allocate wiphy device\n");
- return NULL;
+ goto ops_out;
}
memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN);
set_wiphy_dev(wiphy, busdev);
@@ -6998,6 +6998,7 @@ priv_out:
ifp->vif = NULL;
wiphy_out:
brcmf_free_wiphy(wiphy);
+ops_out:
kfree(ops);
return NULL;
}