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authorSebastian Schmidt <yath@yath.de>2014-11-14 10:51:45 -0800
committerTony Luck <tony.luck@intel.com>2014-11-17 10:28:04 -0800
commit069fb0b63722f8c9f8b4bbce236793626c89af33 (patch)
tree9e017189673b5dff08e6a470bb600e52cac64c8c
parent68c4a4f8abc60c9440ede9cd123d48b78325f7a3 (diff)
syslog: Provide stub check_syslog_permissions
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@gmail.com> Signed-off-by: Sebastian Schmidt <yath@yath.de> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
-rw-r--r--include/linux/syslog.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/syslog.h b/include/linux/syslog.h
index 9def5297dbb7..4b7b875a7ce1 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 inline int check_syslog_permissions(int type, bool from_file)
+{
+ return 0;
+}
+#endif
#endif /* _LINUX_SYSLOG_H */