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Blackfin arch: Fixing Bug: balance calls to get_task_mm with corresponding mmput calls

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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>
This commit is contained in:
Bernd Schmidt 2007-10-21 22:32:27 +08:00 committed by Bryan Wu
parent eaa854902a
commit c1e7399da7
1 changed files with 2 additions and 0 deletions
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2
arch/blackfin/kernel/traps.c
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@ -118,12 +118,14 @@ static int printk_address(unsigned long address)
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);