Restrict unprivileged access to kernel syslog

[net-next-2.6.git] / kernel / printk.c

diff --git a/kernel/printk.c b/kernel/printk.c
index b2ebaee8c377d2aa92c073e772748242b5ce5c90..38e7d5868d60ccdfc8f13176f6021a4a712cdee1 100644 (file)
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -261,6 +261,12 @@ static inline void boot_delay_msec(void)
 }
 #endif
 
+#ifdef CONFIG_SECURITY_DMESG_RESTRICT
+int dmesg_restrict = 1;
+#else
+int dmesg_restrict;
+#endif
+
 int do_syslog(int type, char __user *buf, int len, bool from_file)
 {
        unsigned i, j, limit, count;