On Thu, Jun 4, 2020 at 6:06 AM Denis Efremov <efremov@xxxxxxxxx> wrote: > > Use kzfree() instead of memset() with 0 followed by kfree(). > > Signed-off-by: Denis Efremov <efremov@xxxxxxxxx> > --- > drivers/scsi/storvsc_drv.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c > index 072ed8728657..e5a19cd8a450 100644 > --- a/drivers/scsi/storvsc_drv.c > +++ b/drivers/scsi/storvsc_drv.c > @@ -2035,10 +2035,7 @@ static int storvsc_suspend(struct hv_device *hv_dev) > > vmbus_close(hv_dev->channel); > > - memset(stor_device->stor_chns, 0, > - num_possible_cpus() * sizeof(void *)); > - > - kfree(stor_device->stor_chns); > + kzfree(stor_device->stor_chns); > stor_device->stor_chns = NULL; > > cpumask_clear(&stor_device->alloced_cpus); > -- > 2.26.2 Hi Denis, When I added the function storvsc_suspend() several months ago, somehow I forgot to remove the unnecessary memset(). Sorry! The buffer is recreated in storvsc_resume() -> storvsc_connect_to_vsp() -> storvsc_channel_init() -> stor_device->stor_chns = kcalloc(...), so I believe the memset() can be safely removed. Can you please make a v2 patch for it and Cc my corporate email "decui" (in To)? Thanks, Dexuan
