lib/bug.c: add oops end marker to WARN implementation

We are missing the oops end marker for the exception based WARN implementation
in lib/bug.c. This is useful for logfile analysis tools.

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 452833d67b21..d848cb854655 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -182,6 +182,7 @@ NORET_TYPE void panic(const char * fmt, ...)
         __attribute__ ((NORET_AND format (printf, 1, 2))) __cold;
 extern void oops_enter(void);
 extern void oops_exit(void);
+void print_oops_end_marker(void);
 extern int oops_may_print(void);
 NORET_TYPE void do_exit(long error_code)
         ATTRIB_NORET;
diff --git a/kernel/panic.c b/kernel/panic.c
index 3e9037ae10e1..4c13b1a88ebb 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -338,7 +338,7 @@ static int init_oops_id(void)
 }
 late_initcall(init_oops_id);
 
-static void print_oops_end_marker(void)
+void print_oops_end_marker(void)
 {
         init_oops_id();
         printk(KERN_WARNING "---[ end trace %016llx ]---\n",
diff --git a/lib/bug.c b/lib/bug.c
index 6c5b30cf3f0f..7cdfad88128f 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -166,6 +166,7 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
 
                 print_modules();
                 show_regs(regs);
+                print_oops_end_marker();
                 add_taint(BUG_GET_TAINT(bug));
                 return BUG_TRAP_TYPE_WARN;
         }