debug_core,kdb: fix crash when arch does not have single step

[sfrench/cifs-2.6.git] / kernel / debug / debug_core.c

diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 8bc5eeffec8a953f844d853cc9abe30bbb4d77c4..9ed9307615d9ab0c6132333756f9c44bc56a4bde 100644 (file)
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -605,6 +605,8 @@ cpu_master_loop:
                if (dbg_kdb_mode) {
                        kgdb_connected = 1;
                        error = kdb_stub(ks);
+                       if (error == -1)
+                               continue;
                        kgdb_connected = 0;
                } else {
                        error = gdb_serial_stub(ks);