drivers/staging/rtl8723bs/core/rtw_mlme.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
The pwlan variable has the possibility of returning NULL and is not
checked for NULL and then later dereferenced.
Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")
Cc: stable@vger.kernel.org
Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
---
drivers/staging/rtl8723bs/core/rtw_mlme.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index f81a29cd6a78..29dd0b56223a 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -835,8 +835,11 @@ static void find_network(struct adapter *adapter)
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
- if (pwlan)
- pwlan->fixed = false;
+
+ if (!pwlan)
+ return;
+
+ pwlan->fixed = false;
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
(adapter->stapriv.asoc_sta_count == 1))
--
2.52.0
On Mon, Feb 02, 2026 at 12:38:08AM -0600, Ethan Tidmore wrote:
> The pwlan variable has the possibility of returning NULL and is not
> checked for NULL and then later dereferenced.
>
> Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
> ---
> drivers/staging/rtl8723bs/core/rtw_mlme.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
> index f81a29cd6a78..29dd0b56223a 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
> @@ -835,8 +835,11 @@ static void find_network(struct adapter *adapter)
> struct wlan_network *tgt_network = &pmlmepriv->cur_network;
>
> pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
> - if (pwlan)
> - pwlan->fixed = false;
> +
Delete this blank line.
regards,
dan carpenter
> + if (!pwlan)
> + return;
> +
> + pwlan->fixed = false;
>
> if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
> (adapter->stapriv.asoc_sta_count == 1))
> --
> 2.52.0
>
On Mon, Feb 02, 2026 at 12:38:08AM -0600, Ethan Tidmore wrote: > The pwlan variable has the possibility of returning NULL and is not > checked for NULL and then later dereferenced. dereferenced where? Not in this function :) Please be more specific as to what exactly you are fixing here. thanks, greg k-h
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