Messages in this thread | | | Date | Wed, 13 Dec 2017 14:53:19 -0500 (EST) | Subject | Re: [PATCH] hippi: Fix a Fix a possible sleep-in-atomic bug in rr_close | From | David Miller <> |
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From: Jia-Ju Bai <baijiaju1990@163.com> Date: Tue, 12 Dec 2017 16:49:52 +0800
> The driver may sleep under a spinlock. > The function call path is: > rr_close (acquire the spinlock) > free_irq --> may sleep > > To fix it, free_irq is moved to the place without holding the spinlock. > > This bug is found by my static analysis tool(DSAC) and checked by my code review. > > Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Applied.
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