From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 1/2] vhost/scsi: Improve a size determination in four functions Date: Sat, 20 May 2017 16:31:13 +0200 Message-ID: <68e78c4b-9b18-7607-f8c8-327fdd51f20b@users.sourceforge.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: LKML , kernel-janitors@vger.kernel.org To: kvm@vger.kernel.org, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, Jason Wang , "Michael S. Tsirkin" Return-path: In-Reply-To: Content-Language: en-GB Sender: kvm-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Markus Elfring Date: Sat, 20 May 2017 13:48:44 +0200 Replace the specification of four data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring --- drivers/vhost/scsi.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index fd6c8b66f06f..650533916c19 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -597,8 +597,7 @@ vhost_scsi_get_tag(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg, sg = cmd->tvc_sgl; prot_sg = cmd->tvc_prot_sgl; pages = cmd->tvc_upages; - memset(cmd, 0, sizeof(struct vhost_scsi_cmd)); - + memset(cmd, 0, sizeof(*cmd)); cmd->tvc_sgl = sg; cmd->tvc_prot_sgl = prot_sg; cmd->tvc_upages = pages; @@ -1757,5 +1756,5 @@ static int vhost_scsi_make_nexus(struct vhost_scsi_tpg *tpg, return -EEXIST; } - tv_nexus = kzalloc(sizeof(struct vhost_scsi_nexus), GFP_KERNEL); + tv_nexus = kzalloc(sizeof(*tv_nexus), GFP_KERNEL); if (!tv_nexus) { @@ -1958,5 +1957,5 @@ vhost_scsi_make_tpg(struct se_wwn *wwn, if (kstrtou16(name + 5, 10, &tpgt) || tpgt >= VHOST_SCSI_MAX_TARGET) return ERR_PTR(-EINVAL); - tpg = kzalloc(sizeof(struct vhost_scsi_tpg), GFP_KERNEL); + tpg = kzalloc(sizeof(*tpg), GFP_KERNEL); if (!tpg) { @@ -2012,5 +2011,5 @@ vhost_scsi_make_tport(struct target_fabric_configfs *tf, /* if (vhost_scsi_parse_wwn(name, &wwpn, 1) < 0) return ERR_PTR(-EINVAL); */ - tport = kzalloc(sizeof(struct vhost_scsi_tport), GFP_KERNEL); + tport = kzalloc(sizeof(*tport), GFP_KERNEL); if (!tport) { -- 2.13.0