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init/: remove ineffective sparse disabling 

Sparse checking used to be disabled on init/do_mounts.c and a few related
files because "Many of the syscalls used in this file expect some of the
arguments to be __user pointers not __kernel pointers".

However since 28128c61e ("kconfig.h: Include compiler types to avoid
missed struct attributes") the checks are, in fact, not disabled anymore
because of the more early include of "linux/compiler_types.h"

So remove the now ineffective #undefery that was done to disable these
warnings, as well as the associated comment.

Link: http://lkml.kernel.org/r/20180617115355.53799-1-luc.vanoostenryck@gmail.com
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Luc Van Oostenryck 2018-08-21 21:58:30 -07:00 committed by Linus Torvalds
parent 992991c03c
commit 6ad018e3ca
5 changed files with 0 additions and 50 deletions
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10
init/do_mounts.c
View File

@ -1,13 +1,3 @@
/*
* Many of the syscalls used in this file expect some of the arguments
* to be __user pointers not __kernel pointers. To limit the sparse
* noise, turn off sparse checking for this file.
*/
#ifdef __CHECKER__
#undef __CHECKER__
#warning "Sparse checking disabled for this file"
#endif
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/ctype.h>

10
init/do_mounts_initrd.c
View File

@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Many of the syscalls used in this file expect some of the arguments
* to be __user pointers not __kernel pointers. To limit the sparse
* noise, turn off sparse checking for this file.
*/
#ifdef __CHECKER__
#undef __CHECKER__
#warning "Sparse checking disabled for this file"
#endif
#include <linux/unistd.h>
#include <linux/kernel.h>
#include <linux/fs.h>

10
init/do_mounts_md.c
View File

@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Many of the syscalls used in this file expect some of the arguments
* to be __user pointers not __kernel pointers. To limit the sparse
* noise, turn off sparse checking for this file.
*/
#ifdef __CHECKER__
#undef __CHECKER__
#warning "Sparse checking disabled for this file"
#endif
#include <linux/delay.h>
#include <linux/raid/md_u.h>
#include <linux/raid/md_p.h>

10
init/do_mounts_rd.c
View File

@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Many of the syscalls used in this file expect some of the arguments
* to be __user pointers not __kernel pointers. To limit the sparse
* noise, turn off sparse checking for this file.
*/
#ifdef __CHECKER__
#undef __CHECKER__
#warning "Sparse checking disabled for this file"
#endif
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/minix_fs.h>

10
init/initramfs.c
View File

@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Many of the syscalls used in this file expect some of the arguments
* to be __user pointers not __kernel pointers. To limit the sparse
* noise, turn off sparse checking for this file.
*/
#ifdef __CHECKER__
#undef __CHECKER__
#warning "Sparse checking disabled for this file"
#endif
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/slab.h>