Blackfin arch: Fixing Bug: balance calls to get_task_mm with corresponding mmput calls
We must balance calls to get_task_mm with corresponding mmput calls, otherwise
refcounting is screwed up and mms don't get freed when their task exits.
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 8823e9a..afd044e 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -118,12 +118,14 @@
offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT);
write_unlock_irq(&tasklist_lock);
+ mmput(mm);
return printk("<0x%p> [ %s + 0x%lx ]",
(void *)address, name, offset);
}
vml = vml->next;
}
+ mmput(mm);
}
write_unlock_irq(&tasklist_lock);