radix_tree: add radix_tree_dump

[cascardo/linux.git] / lib / bug.c

diff --git a/lib/bug.c b/lib/bug.c
index cff145f..6cde380 100644 (file)
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -175,6 +175,17 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
                        pr_warn("WARNING: at %p [verbose debug info unavailable]\n",
                                (void *)bugaddr);
 
+               if (panic_on_warn) {
+                       /*
+                        * This thread may hit another WARN() in the panic path.
+                        * Resetting this prevents additional WARN() from
+                        * panicking the system on this thread.  Other threads
+                        * are blocked by the panic_mutex in panic().
+                        */
+                       panic_on_warn = 0;
+                       panic("panic_on_warn set ...\n");
+               }
+
                print_modules();
                show_regs(regs);
                print_oops_end_marker();