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staging: ks7010: do not dereference priv if priv is null

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priv is being dereferenced before a check for it being null
is made, so there is a possibililty a null pointer deference
can occur. Instead, only dereference priv if it is non-null.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Ian King 2016-08-13 19:52:38 +01:00 committed by Greg Kroah-Hartman
parent 6bef3f0139
commit 803394d03b
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/ks7010/ks7010_sdio.c
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@ -1134,7 +1134,6 @@ static void ks7010_sdio_remove(struct sdio_func *func)
int ret;
struct ks_sdio_card *card;
struct ks_wlan_private *priv;
struct net_device *netdev;
DPRINTK(1, "ks7010_sdio_remove()\n");
card = sdio_get_drvdata(func);
@ -1144,8 +1143,9 @@ static void ks7010_sdio_remove(struct sdio_func *func)
DPRINTK(1, "priv = card->priv\n");
priv = card->priv;
netdev = priv->net_dev;
if (priv) {
struct net_device *netdev = priv->net_dev;
ks_wlan_net_stop(netdev);
DPRINTK(1, "ks_wlan_net_stop\n");