Messages in this thread Patch in this message | | | From | Emil Goode <> | Subject | [PATCH] Staging: rtl8192e: Fix potential NULL pointer dereference | Date | Wed, 2 Jul 2014 11:25:51 +0200 |
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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@gmail.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
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