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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Fri, 25 Mar 2011 11:05:29 +0000 (UTC)
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Subject: svn commit: r219987 - head/sys/compat/freebsd32
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Author: kib
Date: Fri Mar 25 11:05:28 2011
New Revision: 219987
URL: http://svn.freebsd.org/changeset/base/219987

Log:
  Remove unneccessary panics, that can be easily triggered by user.
  The copyin() function handles NULL as well as any other pointer.
  
  MFC after:	3 days

Modified:
  head/sys/compat/freebsd32/freebsd32_ioctl.c

Modified: head/sys/compat/freebsd32/freebsd32_ioctl.c
==============================================================================
--- head/sys/compat/freebsd32/freebsd32_ioctl.c	Fri Mar 25 10:57:57 2011	(r219986)
+++ head/sys/compat/freebsd32/freebsd32_ioctl.c	Fri Mar 25 11:05:28 2011	(r219987)
@@ -66,8 +66,6 @@ freebsd32_ioctl_md(struct thread *td, st
 	u_long com = 0;
 	int error;
 
-	if (uap->data == NULL)
-		panic("%s: where is my ioctl data??", __func__);
 	if (uap->com & IOC_IN) {
 		if ((error = copyin(uap->data, &md32, sizeof(md32)))) {
 			return (error);
@@ -132,9 +130,6 @@ freebsd32_ioctl_ioc_toc_header(struct th
 	struct ioc_toc_header32 toch32;
 	int error;
 
-	if (uap->data == NULL)
-		panic("%s: where is my ioctl data??", __func__);
-
 	if ((error = copyin(uap->data, &toch32, sizeof(toch32))))
 		return (error);
 	CP(toch32, toch, len);
@@ -154,9 +149,6 @@ freebsd32_ioctl_ioc_read_toc(struct thre
 	struct ioc_read_toc_entry32 toce32;
 	int error;
 
-	if (uap->data == NULL)
-		panic("%s: where is my ioctl data??", __func__);
-
 	if ((error = copyin(uap->data, &toce32, sizeof(toce32))))
 		return (error);
 	CP(toce32, toce, address_format);