[PATCH] syslog: provide stub check_syslog_permissions

[Sebastian Schmidt]

When building without CONFIG_PRINTK, we need to provide a stub
check_syslog_permissions. As there is no way to turn on the
dmesg_restrict sysctl without CONFIG_PRINTK, return success.

Reported-by: Jim Davis <jim.epost@xxxxxxxxx>
Signed-off-by: Sebastian Schmidt <yath@xxxxxxx>
---
 include/linux/syslog.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/syslog.h b/include/linux/syslog.h
index 9def529..13c05d1 100644
--- a/include/linux/syslog.h
+++ b/include/linux/syslog.h
@@ -48,6 +48,14 @@
 #define SYSLOG_FROM_PROC             1
 
 int do_syslog(int type, char __user *buf, int count, bool from_file);
+
+#ifdef CONFIG_PRINTK
 int check_syslog_permissions(int type, bool from_file);
+#else
+static int check_syslog_permissions(int type, bool from_file)
+{
+	return 0;
+}
+#endif
 
 #endif /* _LINUX_SYSLOG_H */
-- 
2.1.1
--
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