> -----Original Message----- > From: linux-scsi-ow...@vger.kernel.org [mailto:linux-scsi- > ow...@vger.kernel.org] On Behalf Of Muhammad Falak R Wani > Sent: Thursday, May 19, 2016 7:09 AM > To: Hannes Reinecke > Cc: Adaptec OEM Raid Solutions; James E.J. Bottomley; Martin K. Petersen; > linux-s...@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: [PATCH] [SCSI] aacraid: use kmemdup > > EXTERNAL EMAIL > > > Use kmemdup when some other buffer is immediately copied into allocated > region. It replaces call to allocation followed by memcpy, by a single > call to kmemdup. > > Signed-off-by: Muhammad Falak R Wani <falakre...@gmail.com> > --- > drivers/scsi/aacraid/commctrl.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c > index 4b3bb52..b381b37 100644 > --- a/drivers/scsi/aacraid/commctrl.c > +++ b/drivers/scsi/aacraid/commctrl.c > @@ -635,15 +635,14 @@ static int aac_send_raw_srb(struct aac_dev* dev, > void __user * arg) > } > } else { > struct user_sgmap* usg; > - usg = kmalloc(actual_fibsize - sizeof(struct aac_srb) > - + sizeof(struct sgmap), GFP_KERNEL); > + usg = kmemdup(upsg, > + actual_fibsize - sizeof(struct aac_srb) > + + sizeof(struct sgmap), GFP_KERNEL); > if (!usg) { > dprintk((KERN_DEBUG"aacraid: Allocation error > in Raw SRB > command\n")); > rcode = -ENOMEM; > goto cleanup; > } > - memcpy (usg, upsg, actual_fibsize - sizeof(struct > aac_srb) > - + sizeof(struct sgmap)); > actual_fibsize = actual_fibsize64; > > for (i = 0; i < usg->count; i++) {
Reviewed-by: Raghava Aditya Renukunta <raghavaaditya.renuku...@microsemi.com>
