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Message-Id: <1404293151-15804-1-git-send-email-emilgoode@gmail.com> Date: Wed, 2 Jul 2014 11:25:51 +0200 From: Emil Goode <emilgoode@...il.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Rashika Kheria <rashika.kheria@...il.com>, Valentina Manea <valentina.manea.m@...il.com>, Josh Triplett <josh@...htriplett.org>, Andrea Merello <andrea.merello@...il.com> Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, Emil Goode <emilgoode@...il.com> Subject: [PATCH] Staging: rtl8192e: Fix potential NULL pointer dereference We need to make sure the struct rtllib_device pointer ieee is not NULL after the goto rx_dropped label since it is dereferenced there. Signed-off-by: Emil Goode <emilgoode@...il.com> --- drivers/staging/rtl8192e/rtllib_rx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c index 60de54c..7db3e74 100644 --- a/drivers/staging/rtl8192e/rtllib_rx.c +++ b/drivers/staging/rtl8192e/rtllib_rx.c @@ -1496,7 +1496,8 @@ int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb, return ret; rx_dropped: - ieee->stats.rx_dropped++; + if (ieee) + ieee->stats.rx_dropped++; return 0; } EXPORT_SYMBOL(rtllib_rx); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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