lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <B11341F8-7B7C-4BE5-9F87-C6C10A117F9C@mellanox.com> Date: Sun, 19 Feb 2017 17:06:25 +0000 From: Majd Dibbiny <majd@...lanox.com> To: SF Markus Elfring <elfring@...rs.sourceforge.net> CC: "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, Doug Ledford <dledford@...hat.com>, Hal Rosenstock <hal.rosenstock@...il.com>, "Leon Romanovsky" <leonro@...lanox.com>, Matan Barak <matanb@...lanox.com>, "Sean Hefty" <sean.hefty@...el.com>, Yishai Hadas <yishaih@...lanox.com>, LKML <linux-kernel@...r.kernel.org>, "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org> Subject: Re: [PATCH 01/29] IB/mlx4: Use kcalloc() in mlx4_ib_alloc_pv_bufs() > On Feb 18, 2017, at 10:55 PM, SF Markus Elfring <elfring@...rs.sourceforge.net> wrote: > > From: Markus Elfring <elfring@...rs.sourceforge.net> > Date: Fri, 17 Feb 2017 20:00:34 +0100 > > * A multiplication for the size determination of a memory allocation > indicated that an array data structure should be processed. > Thus use the corresponding function "kcalloc". > > This issue was detected by using the Coccinelle software. > > * Replace the specification of a data structure by a pointer dereference > to make the corresponding size determination a bit safer according to > the Linux coding style convention. > > Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net> > --- > drivers/infiniband/hw/mlx4/mad.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c > index db564ccc0f92..61bd81baeb29 100644 > --- a/drivers/infiniband/hw/mlx4/mad.c > +++ b/drivers/infiniband/hw/mlx4/mad.c > @@ -1600,8 +1600,8 @@ static int mlx4_ib_alloc_pv_bufs(struct mlx4_ib_demux_pv_ctx *ctx, > return -EINVAL; > > tun_qp = &ctx->qp[qp_type]; > - > - tun_qp->ring = kzalloc(sizeof (struct mlx4_ib_buf) * MLX4_NUM_TUNNEL_BUFS, > + tun_qp->ring = kcalloc(MLX4_NUM_TUNNEL_BUFS, > + sizeof(*tun_qp->ring), > GFP_KERNEL); > if (!tun_qp->ring) > return -ENOMEM; > -- > 2.11.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Thanks, Reviewed-by: Majd Dibbiny <majd@...lanox.com>
Powered by blists - more mailing lists