From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 6 Jul 2012 08:21:49 +0000 (+0300)
Subject: Staging: vme: silence a Sparse warning
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a7f3943cd055f73e82e1b57468286f3d7cf9fb27;p=linux-beck.git

Staging: vme: silence a Sparse warning

Sparse complains that "arg" is not a __user pointer.  The "argp" and
"arg" variables are equivalent but argp is declared as a __user pointer.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-By: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index e24a6f95db12..0c2479e41938 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -474,7 +474,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 	case CONTROL_MINOR:
 		switch (cmd) {
 		case VME_IRQ_GEN:
-			copied = copy_from_user(&irq_req, (char *)arg,
+			copied = copy_from_user(&irq_req, argp,
 						sizeof(struct vme_irq_id));
 			if (copied != 0) {
 				printk(KERN_WARNING "Partial copy from userspace\n");