aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 10:38:50 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 10:38:50 -0500
commit1557d33007f63dd96e5d15f33af389378e5f2e54 (patch)
tree06d05722b2ba5d2a67532f779fa8a88efe3c88f1 /arch/x86
parent6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff)
parentc656ae95d1c5c8ed5763356263ace2d03087efec (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl-2.6: (43 commits) security/tomoyo: Remove now unnecessary handling of security_sysctl. security/tomoyo: Add a special case to handle accesses through the internal proc mount. sysctl: Drop & in front of every proc_handler. sysctl: Remove CTL_NONE and CTL_UNNUMBERED sysctl: kill dead ctl_handler definitions. sysctl: Remove the last of the generic binary sysctl support sysctl net: Remove unused binary sysctl code sysctl security/tomoyo: Don't look at ctl_name sysctl arm: Remove binary sysctl support sysctl x86: Remove dead binary sysctl support sysctl sh: Remove dead binary sysctl support sysctl powerpc: Remove dead binary sysctl support sysctl ia64: Remove dead binary sysctl support sysctl s390: Remove dead sysctl binary support sysctl frv: Remove dead binary sysctl support sysctl mips/lasat: Remove dead binary sysctl support sysctl drivers: Remove dead binary sysctl support sysctl crypto: Remove dead binary sysctl support sysctl security/keys: Remove dead binary sysctl support sysctl kernel: Remove binary sysctl logic ...
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/ia32/ia32entry.S2
-rw-r--r--arch/x86/ia32/sys_ia32.c56
-rw-r--r--arch/x86/include/asm/sys_ia32.h5
-rw-r--r--arch/x86/kernel/vsyscall_64.c2
-rw-r--r--arch/x86/vdso/vdso32-setup.c1
5 files changed, 2 insertions, 64 deletions
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 581b0568fe19..5d2584839be4 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -653,7 +653,7 @@ ia32_sys_call_table:
653 .quad compat_sys_writev 653 .quad compat_sys_writev
654 .quad sys_getsid 654 .quad sys_getsid
655 .quad sys_fdatasync 655 .quad sys_fdatasync
656 .quad sys32_sysctl /* sysctl */ 656 .quad compat_sys_sysctl /* sysctl */
657 .quad sys_mlock /* 150 */ 657 .quad sys_mlock /* 150 */
658 .quad sys_munlock 658 .quad sys_munlock
659 .quad sys_mlockall 659 .quad sys_mlockall
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 9f5527198825..df82c0e48ded 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -434,62 +434,6 @@ asmlinkage long sys32_rt_sigqueueinfo(int pid, int sig,
434 return ret; 434 return ret;
435} 435}
436 436
437#ifdef CONFIG_SYSCTL_SYSCALL
438struct sysctl_ia32 {
439 unsigned int name;
440 int nlen;
441 unsigned int oldval;
442 unsigned int oldlenp;
443 unsigned int newval;
444 unsigned int newlen;
445 unsigned int __unused[4];
446};
447
448
449asmlinkage long sys32_sysctl(struct sysctl_ia32 __user *args32)
450{
451 struct sysctl_ia32 a32;
452 mm_segment_t old_fs = get_fs();
453 void __user *oldvalp, *newvalp;
454 size_t oldlen;
455 int __user *namep;
456 long ret;
457
458 if (copy_from_user(&a32, args32, sizeof(a32)))
459 return -EFAULT;
460
461 /*
462 * We need to pre-validate these because we have to disable
463 * address checking before calling do_sysctl() because of
464 * OLDLEN but we can't run the risk of the user specifying bad
465 * addresses here. Well, since we're dealing with 32 bit
466 * addresses, we KNOW that access_ok() will always succeed, so
467 * this is an expensive NOP, but so what...
468 */
469 namep = compat_ptr(a32.name);
470 oldvalp = compat_ptr(a32.oldval);
471 newvalp = compat_ptr(a32.newval);
472
473 if ((oldvalp && get_user(oldlen, (int __user *)compat_ptr(a32.oldlenp)))
474 || !access_ok(VERIFY_WRITE, namep, 0)
475 || !access_ok(VERIFY_WRITE, oldvalp, 0)
476 || !access_ok(VERIFY_WRITE, newvalp, 0))
477 return -EFAULT;
478
479 set_fs(KERNEL_DS);
480 lock_kernel();
481 ret = do_sysctl(namep, a32.nlen, oldvalp, (size_t __user *)&oldlen,
482 newvalp, (size_t) a32.newlen);
483 unlock_kernel();
484 set_fs(old_fs);
485
486 if (oldvalp && put_user(oldlen, (int __user *)compat_ptr(a32.oldlenp)))
487 return -EFAULT;
488
489 return ret;
490}
491#endif
492
493/* warning: next two assume little endian */ 437/* warning: next two assume little endian */
494asmlinkage long sys32_pread(unsigned int fd, char __user *ubuf, u32 count, 438asmlinkage long sys32_pread(unsigned int fd, char __user *ubuf, u32 count,
495 u32 poslo, u32 poshi) 439 u32 poslo, u32 poshi)
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index 72a6dcd1299b..9af9decb38c3 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -51,11 +51,6 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t,
51asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *, compat_size_t); 51asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *, compat_size_t);
52asmlinkage long sys32_rt_sigqueueinfo(int, int, compat_siginfo_t __user *); 52asmlinkage long sys32_rt_sigqueueinfo(int, int, compat_siginfo_t __user *);
53 53
54#ifdef CONFIG_SYSCTL_SYSCALL
55struct sysctl_ia32;
56asmlinkage long sys32_sysctl(struct sysctl_ia32 __user *);
57#endif
58
59asmlinkage long sys32_pread(unsigned int, char __user *, u32, u32, u32); 54asmlinkage long sys32_pread(unsigned int, char __user *, u32, u32, u32);
60asmlinkage long sys32_pwrite(unsigned int, char __user *, u32, u32, u32); 55asmlinkage long sys32_pwrite(unsigned int, char __user *, u32, u32, u32);
61 56
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 8cb4974ff599..e02d92d12bcd 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -237,7 +237,7 @@ static ctl_table kernel_table2[] = {
237}; 237};
238 238
239static ctl_table kernel_root_table2[] = { 239static ctl_table kernel_root_table2[] = {
240 { .ctl_name = CTL_KERN, .procname = "kernel", .mode = 0555, 240 { .procname = "kernel", .mode = 0555,
241 .child = kernel_table2 }, 241 .child = kernel_table2 },
242 {} 242 {}
243}; 243};
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index 58bc00f68b12..02b442e92007 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -393,7 +393,6 @@ static ctl_table abi_table2[] = {
393 393
394static ctl_table abi_root_table2[] = { 394static ctl_table abi_root_table2[] = {
395 { 395 {
396 .ctl_name = CTL_ABI,
397 .procname = "abi", 396 .procname = "abi",
398 .mode = 0555, 397 .mode = 0555,
399 .child = abi_table2 398 .child = abi_table2