On Mon, Sep 11, 2017 at 9:34 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Mon, Sep 11, 2017 at 09:29:31PM +0530, Srishti Sharma wrote: >> The use of volatile for the variable monitor_lock is unnecessary. >> >> Signed-off-by: Srishti Sharma <srishtishar@xxxxxxxxx> >> --- >> drivers/staging/ccree/ssi_request_mgr.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c >> index e5c2f92..7d77941 100644 >> --- a/drivers/staging/ccree/ssi_request_mgr.c >> +++ b/drivers/staging/ccree/ssi_request_mgr.c >> @@ -49,7 +49,7 @@ struct ssi_request_mgr_handle { >> dma_addr_t dummy_comp_buff_dma; >> struct cc_hw_desc monitor_desc; >> >> - volatile unsigned long monitor_lock; >> + unsigned long monitor_lock; > > While volatile is not right, odds are, this is still totally wrong as > well. How about using a "real" lock instead? I tried to find where is this variable being used in the code, but I didn't find any usage of it . It might be an important attribute of this structure definition but, I don't see it's value being set to anything or being used somewhere . Regards, Srishti > > thanks, > > greg k-h