From: Jesper Juhl <jj@chaosbits.net>
Date: Fri, 21 Jan 2011 19:40:54 +0000 (-0600)
Subject: rtlwifi: Fix possible NULL dereference
X-Git-Tag: v2.6.38-rc3~29^2~4^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bdc4bf652bc0271ba8f1f25bbd3dbac90bead44e;p=pandora-kernel.git

rtlwifi: Fix possible NULL dereference

In drivers/net/wireless/rtlwifi/pci.c::_rtl_pci_rx_interrupt() we call
dev_alloc_skb(), which may fail and return NULL, but we do not check the
returned value against NULL before dereferencing the returned pointer.
This may lead to a NULL pointer dereference which means we'll crash - not
good.

In a separate call to dev_alloc_skb(), the debug level is changed so that
the failure message will always be logged.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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