From: Yogesh Ashok Powar Date: Mon, 13 Jun 2011 04:19:27 +0000 (+0530) Subject: mwifiex: Fixing NULL pointer dereference X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a7b21165c06f28230768d203285d06cac4f18f0b;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git mwifiex: Fixing NULL pointer dereference Following OOPS was seen when booting with card inserted BUG: unable to handle kernel NULL pointer dereference at 0000004c IP: [] cfg80211_get_drvinfo+0x21/0x115 [cfg80211] *pde = 00000000 Oops: 0000 [#1] SMP Modules linked in: iwl3945 iwl_legacy mwifiex_sdio mac80211 11 sdhci_pci sdhci pl2303 'ethtool' on the mwifiex device returned this OOPS as wiphy_dev() returned NULL. Adding missing set_wiphy_dev() call to fix the problem. Signed-off-by: Yogesh Ashok Powar Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 660831ce293c..687c1f223497 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1288,6 +1288,8 @@ int mwifiex_register_cfg80211(struct net_device *dev, u8 *mac, *(unsigned long *) wdev_priv = (unsigned long) priv; + set_wiphy_dev(wdev->wiphy, (struct device *) priv->adapter->dev); + ret = wiphy_register(wdev->wiphy); if (ret < 0) { dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n",