[PATCH v2] Staging: rtl8192e prohibit deferencing of NULL pointer
Andreas Platschek
platschek at ict.tuwien.ac.at
Wed Jun 18 18:50:50 UTC 2014
v2: removed braces from if statement
If ieee == NULL we jump to rx_dropped. Therefore we have to check again,
if ieee == NULL before we use it.
Signed-off-by: Andreas Platschek <platschek at ict.tuwien.ac.at>
---
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..7258b17 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 != NULL)
+ ieee->stats.rx_dropped++;
return 0;
}
EXPORT_SYMBOL(rtllib_rx);
--
1.7.10.4
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