Re: [PATCH] e1000e: fix mismatch in mutex lock-unlock ine1000_reset_hw_82571()

[Jeff Kirsher]

On Thu, 2013-04-18 at 22:15 -0700, Alexey Khoroshilov wrote:
> If e1000_get_hw_semaphore_82574() succeed, it acquires swflag_mutex,
> otherwise it does not. But the returned value of
> e1000_get_hw_semaphore_82574() is ignored, so unlocking of
> swflag_mutex
> happens anyway.
> 
> The patch fixes the issue by breaking reset if MIC ownership is not
> acquired.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
> ---
>  drivers/net/ethernet/intel/e1000e/82571.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-) 

Thanks Alexey, I have added your patch to my queue.

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