diff options
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index b25717eb3d3a..ac0569f7d56a 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -98,6 +98,10 @@ #if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ +#ifdef CONFIG_USB +int deny_new_usb __read_mostly = 0; +EXPORT_SYMBOL(deny_new_usb); +#endif extern int suid_dumpable; #ifdef CONFIG_COREDUMP extern int core_uses_pid; @@ -1083,6 +1087,17 @@ static struct ctl_table kern_table[] = { .extra2 = &two, }, #endif +#ifdef CONFIG_USB + { + .procname = "deny_new_usb", + .data = &deny_new_usb, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax_sysadmin, + .extra1 = &zero, + .extra2 = &one, + }, +#endif { .procname = "ngroups_max", .data = &ngroups_max, @@ -1640,7 +1655,7 @@ static struct ctl_table vm_table[] = { .procname = "drop_caches", .data = &sysctl_drop_caches, .maxlen = sizeof(int), - .mode = 0644, + .mode = 0200, .proc_handler = drop_caches_sysctl_handler, .extra1 = &one, .extra2 = &four, |