Re: [PATCH 1/1] ath10k: fixing wrong initialization of struct channel
Maninder Singh maninder...@samsung.com writes: chandef is initialized with NULL and on the very next line, we are using it to get channel, which is not correct. channel should be initialized after obtaining chandef. Signed-off-by: Maninder Singh maninder...@samsung.com Thanks, applied. -- Kalle Valo -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 1/1] ath10k: fixing wrong initialization of struct channel
Maninder Singh maninder...@samsung.com writes: chandef is initialized with NULL and on the very next line, we are using it to get channel, which is not correct. channel should be initialized after obtaining chandef. Signed-off-by: Maninder Singh maninder...@samsung.com How did you find this bug? Static anlysis reports this bug like coverity or any other static tool like cppcheck :- drivers/net/wireless/ath/ath10k/mac.c:839]: (error) Possible null pointer dereference: chandef Thanks. This is always good to add to the commit log so I did that: ath10k: fix wrong initialization of struct channel chandef is initialized with NULL and on the very next line, we are using it to get channel, which is not correct. Channel should be initialized after obtaining chandef. Found by cppcheck: ath/ath10k/mac.c:839]: (error) Possible null pointer dereference: chandef Signed-off-by: Maninder Singh maninder...@samsung.com Signed-off-by: Kalle Valo kv...@qca.qualcomm.com -- Kalle Valo -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 1/1] ath10k: fixing wrong initialization of struct channel
Maninder Singh maninder...@samsung.com writes: chandef is initialized with NULL and on the very next line, we are using it to get channel, which is not correct. channel should be initialized after obtaining chandef. Signed-off-by: Maninder Singh maninder...@samsung.com How did you find this bug? -- Kalle Valo -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 1/1] ath10k: fixing wrong initialization of struct channel
chandef is initialized with NULL and on the very next line, we are using it to get channel, which is not correct. channel should be initialized after obtaining chandef. Signed-off-by: Maninder Singh maninder...@samsung.com How did you find this bug? Static anlysis reports this bug like coverity or any other static tool like cppcheck :- drivers/net/wireless/ath/ath10k/mac.c:839]: (error) Possible null pointer dereference: chandef Thanks, Maninder
[PATCH 1/1] ath10k: fixing wrong initialization of struct channel
chandef is initialized with NULL and on the very next line,
we are using it to get channel, which is not correct.
channel should be initialized after obtaining chandef.
Signed-off-by: Maninder Singh maninder...@samsung.com
---
drivers/net/wireless/ath/ath10k/mac.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c
b/drivers/net/wireless/ath/ath10k/mac.c
index 218b6af..3d196b5 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -836,7 +836,7 @@ static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
{
struct cfg80211_chan_def *chandef = NULL;
- struct ieee80211_channel *channel = chandef-chan;
+ struct ieee80211_channel *channel = NULL;
struct wmi_vdev_start_request_arg arg = {};
int ret = 0;
--
1.7.9.5
--
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