linux-kernel - [PATCH 3/6] drivers: staging: vme: Fixed the using of sizeof

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Message-Id: <1448184477-24767-3-git-send-email-egor.ulieiskii@gmail.com>
Date:	Sun, 22 Nov 2015 11:27:54 +0200
From:	Egor Uleyskiy <egor.ulieiskii@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Egor Uleyskiy <egor.ulieiskii@...il.com>,
	Manohar Vanga <manohar.vanga@...il.com>,
	Martyn Welch <martyn@...chs.me.uk>,
	Trivial Patch Monkey <trivial@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/6] drivers: staging: vme: Fixed the using of sizeof

From: Egor Uleyskiy <egor.ulieiskii@...il.com>

Constructions that looks like
    card = kzalloc(sizeof(struct pio2_card), GFP_KERNEL);
  are changed to
    card = kzalloc(sizeof(*card), GFP_KERNEL);

Signed-off-by: Egor Uleyskiy <egor.ulieiskii@...il.com>
---
 drivers/staging/vme/devices/vme_pio2_core.c |  2 +-
 drivers/staging/vme/devices/vme_user.c      | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/vme/devices/vme_pio2_core.c b/drivers/staging/vme/devices/vme_pio2_core.c
index f3b878b..a30282a 100644
--- a/drivers/staging/vme/devices/vme_pio2_core.c
+++ b/drivers/staging/vme/devices/vme_pio2_core.c
@@ -215,7 +215,7 @@ static int pio2_probe(struct vme_dev *vdev)
 	u8 reg;
 	int vec;
 
-	card = kzalloc(sizeof(struct pio2_card), GFP_KERNEL);
+	card = kzalloc(sizeof(*card), GFP_KERNEL);
 	if (!card) {
 		retval = -ENOMEM;
 		goto err_struct;
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 8e61a3b..a05a065 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -308,7 +308,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 		switch (cmd) {
 		case VME_IRQ_GEN:
 			copied = copy_from_user(&irq_req, argp,
-						sizeof(struct vme_irq_id));
+						sizeof(irq_req));
 			if (copied != 0) {
 				pr_warn("Partial copy from userspace\n");
 				return -EFAULT;
@@ -322,7 +322,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 	case MASTER_MINOR:
 		switch (cmd) {
 		case VME_GET_MASTER:
-			memset(&master, 0, sizeof(struct vme_master));
+			memset(&master, 0, sizeof(master));
 
 			/* XXX	We do not want to push aspace, cycle and width
 			 *	to userspace as they are
@@ -334,7 +334,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 						&master.cycle, &master.dwidth);
 
 			copied = copy_to_user(argp, &master,
-					      sizeof(struct vme_master));
+					      sizeof(master));
 			if (copied != 0) {
 				pr_warn("Partial copy to userspace\n");
 				return -EFAULT;
@@ -368,7 +368,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 	case SLAVE_MINOR:
 		switch (cmd) {
 		case VME_GET_SLAVE:
-			memset(&slave, 0, sizeof(struct vme_slave));
+			memset(&slave, 0, sizeof(slave));
 
 			/* XXX	We do not want to push aspace, cycle and width
 			 *	to userspace as they are
@@ -379,7 +379,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 					       &slave.aspace, &slave.cycle);
 
 			copied = copy_to_user(argp, &slave,
-					      sizeof(struct vme_slave));
+					      sizeof(slave));
 			if (copied != 0) {
 				pr_warn("Partial copy to userspace\n");
 				return -EFAULT;
-- 
2.5.0

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