[MIPS] Fix oprofile module unloading
Ralf Baechle [Mon, 24 Apr 2006 09:48:54 +0000 (10:48 +0100)]
When unloading oprofile module with timer-mode, oprofile_arch_exit
dereferences a NULL pointer.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/oprofile/common.c

index 935dd85..49ef8fd 100644 (file)
@@ -114,5 +114,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 
 void oprofile_arch_exit(void)
 {
-       model->exit();
+       if (model)
+               model->exit();
 }