From: Hante Meuleman <meuleman@broadcom.com>
Date: Tue, 6 Nov 2012 00:22:28 +0000 (-0800)
Subject: brcmfmac: return immediately error for out of range key_idx.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=256c374f7702c8c20413d2d7a14776dfad524a8d;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

brcmfmac: return immediately error for out of range key_idx.

when brcmf_cfg80211_del_key was called with out of range key index
then firmware would return error. Checking was added to
brcmf_cfg80211_del_key to immediately return error.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 228fcaebefb8..4fbf5b32f67a 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -1822,6 +1822,12 @@ brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
 	if (!check_vif_up(ifp->vif))
 		return -EIO;
 
+	if (key_idx >= DOT11_MAX_DEFAULT_KEYS) {
+		/* we ignore this key index in this case */
+		WL_ERR("invalid key index (%d)\n", key_idx);
+		return -EINVAL;
+	}
+
 	memset(&key, 0, sizeof(key));
 
 	key.index = (u32) key_idx;
@@ -1832,15 +1838,6 @@ brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
 
 	/* Set the new key/index */
 	err = send_key_to_dongle(ndev, &key);
-	if (err) {
-		if (err == -EINVAL) {
-			if (key.index >= DOT11_MAX_DEFAULT_KEYS)
-				/* we ignore this key index in this case */
-				WL_ERR("invalid key index (%d)\n", key_idx);
-		}
-		/* Ignore this error, may happen during DISASSOC */
-		err = -EAGAIN;
-	}
 
 	WL_TRACE("Exit\n");
 	return err;