[PATCH v2] staging: rtl8192u: r8192U_core: Fix for possible null pointer dereference

[Rickard Strandqvist]

Fix a possible null pointer dereference, there is
otherwise a risk of a possible null pointer dereference.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
---
 drivers/staging/rtl8192u/r8192U_core.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index e031a25..4a29237 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -4476,11 +4476,11 @@ static void query_rxdesc_status(struct sk_buff *skb,
 
 	/* for debug 2008.5.29 */
 
-	//added by vivi, for MP, 20080108
-	stats->RxIs40MHzPacket = driver_info->BW;
-	if (stats->RxDrvInfoSize != 0)
+	if (driver_info && stats->RxDrvInfoSize != 0) {
+		//added by vivi, for MP, 20080108
+		stats->RxIs40MHzPacket = driver_info->BW;
 		TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
-
+	}
 }
 
 static void rtl8192_rx_nomal(struct sk_buff *skb)
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/