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staging: wilc1000: adds a check routine when performed del_key()

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This patch is adds a check routine when performed del_key().
We was find this situation while test the 'rmmod sdio'.
That is received inform a .del_key cmd from cfg80211.
If is not exist wep keys, must be ignore a wilc_remove_wep_key() function.
Thus, adds a check routine that key length of wep.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Leo Kim 2016-04-01 17:44:19 +09:00 committed by Greg Kroah-Hartman
parent 8006109ba0
commit b0f1836fad
1 changed files with 6 additions and 3 deletions
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9
drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
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@ -1122,9 +1122,12 @@ static int del_key(struct wiphy *wiphy, struct net_device *netdev,
}
if (key_index >= 0 && key_index <= 3) {
memset(priv->WILC_WFI_wep_key[key_index], 0, priv->WILC_WFI_wep_key_len[key_index]);
priv->WILC_WFI_wep_key_len[key_index] = 0;
wilc_remove_wep_key(vif, key_index);
if (priv->WILC_WFI_wep_key_len[key_index]) {
memset(priv->WILC_WFI_wep_key[key_index], 0,
priv->WILC_WFI_wep_key_len[key_index]);
priv->WILC_WFI_wep_key_len[key_index] = 0;
wilc_remove_wep_key(vif, key_index);
}
} else {
wilc_remove_key(priv->hif_drv, mac_addr);
}