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Subject[PATCH 01/05] use proc_dointvec_minmax to check boundaries while needed
proc_dointvec doesn't check extra minmax params, use proc_dointvec_minmax
instead of proc_dointvec for cases need boundaries check.

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
---
kernel/sysctl.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- linux-2.6.orig/kernel/sysctl.c 2011-03-03 10:44:53.000000000 +0800
+++ linux-2.6/kernel/sysctl.c 2011-03-03 11:02:43.736663258 +0800
@@ -374,7 +374,7 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_sched_autogroup_enabled,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &zero,
.extra2 = &one,
},
@@ -1204,7 +1204,7 @@ static struct ctl_table vm_table[] = {
.data = &block_dump,
.maxlen = sizeof(block_dump),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &zero,
},
{
@@ -1212,7 +1212,7 @@ static struct ctl_table vm_table[] = {
.data = &sysctl_vfs_cache_pressure,
.maxlen = sizeof(sysctl_vfs_cache_pressure),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &zero,
},
#ifdef HAVE_ARCH_PICK_MMAP_LAYOUT
@@ -1221,7 +1221,7 @@ static struct ctl_table vm_table[] = {
.data = &sysctl_legacy_va_layout,
.maxlen = sizeof(sysctl_legacy_va_layout),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &zero,
},
#endif
@@ -1231,7 +1231,7 @@ static struct ctl_table vm_table[] = {
.data = &zone_reclaim_mode,
.maxlen = sizeof(zone_reclaim_mode),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &zero,
},
{
@@ -1287,7 +1287,7 @@ static struct ctl_table vm_table[] = {
.data = &vdso_enabled,
.maxlen = sizeof(vdso_enabled),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &zero,
},
#endif

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