Commit 05254a20 authored Aug 12, 2010 by Dan Carpenter Committed by Greg Kroah-Hartman Aug 23, 2010

ip2: return -EFAULT on copy_to_user errors



copy_to_user() returns the number of bytes remaining but we want to return
a negative error code on errors.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: "Michael H. Warfield" <mhw@wittsend.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent f64ac983

drivers/char/ip2/ip2main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2930,6 +2930,8 @@ ip2_ipl_ioctl (struct file *pFile, UINT cmd, ULONG arg )
		if ( pCh )
		{
		rc = copy_to_user(argp, pCh, sizeof(i2ChanStr));
		if (rc)
		rc = -EFAULT;
		} else {
		rc = -ENODEV;
		}