netdev - Re: [PATCH net] be2net: Avoid accessing eq object in be_msix

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Message-Id: <20151218.155118.779504200158181032.davem@davemloft.net>
Date:	Fri, 18 Dec 2015 15:51:18 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	venkatkumar.duvvuru@...gotech.com
Cc:	netdev@...r.kernel.org, venkatkumar.duvvuru@...r.kernel.org
Subject: Re: [PATCH net] be2net: Avoid accessing eq object in
 be_msix_register routine, when i < 0.

From: Venkat Duvvuru <venkatkumar.duvvuru@...gotech.com>
Date: Fri, 18 Dec 2015 01:40:50 +0530

> When the first request_irq fails in be_msix_register, i value
> would be zero. The current code decrements the i value and
> accesses the eq object without validating the decremented
> "i" value. This can cause an "invalid memory address access"
> violation.
> 
> This patch fixes the problem by accessing the eq object after
> validating the "i" value.
> 
> Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@...gotech.com>

Applied, thank you.
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