Messages in this thread Patch in this message | | | From | Rickard Strandqvist <> | Subject | [PATCH v2] staging: rtl8192u: r8192U_core: Fix for possible null pointer dereference | Date | Thu, 29 Jan 2015 19:59:12 +0100 |
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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@spectrumdigital.se> --- 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
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