Messages in this thread | | | From | Julian Calaby <> | Date | Thu, 15 Sep 2016 23:56:38 +1000 | Subject | Re: [PATCH] mwifiex: fix null pointer deference when adapter is null |
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Hi All,
On Thu, Sep 15, 2016 at 11:42 PM, Colin King <colin.king@canonical.com> wrote: > From: Colin Ian King <colin.king@canonical.com> > > If adapter is null the error exit path in mwifiex_shutdown_sw is > to down the semaphore sem and print some debug via mwifiex_dbg. > However, passing a NULL adapter to mwifiex_dbg causes a null > pointer deference when accessing adapter->dev. This fix checks > for a null adapter at the start of the function and to exit > without the need to up the semaphore and we also skip the debug > to avoid the null pointer dereference. > > Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Thanks,
-- Julian Calaby
Email: julian.calaby@gmail.com Profile: http://www.google.com/profiles/julian.calaby/
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