linux-kernel - Re: [PATCH] MIPS: SGI-IP27: Fix use of unchecked pointer in shutdown_bridge

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Date:   Thu, 28 Mar 2019 18:37:56 +0000
From:   Paul Burton <paul.burton@...s.com>
To:     Thomas Bogendoerfer <tbogendoerfer@...e.de>
CC:     Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <pburton@...ecomp.com>,
        James Hogan <jhogan@...nel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>
Subject: Re: [PATCH] MIPS: SGI-IP27: Fix use of unchecked pointer in
  shutdown_bridge_irq

Hello,

Thomas Bogendoerfer wrote:
> smatch complaint:
> 
> arch/mips/sgi-ip27/ip27-irq.c:123 shutdown_bridge_irq()
> warn: variable dereferenced before check 'hd' (see line 121)
> 
> Fix it by removing local variable and use hd->pin directly.
> 
> Fixes: 69a07a41d908 ("MIPS: SGI-IP27: rework HUB interrupts")
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@...e.de>
> Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>

Applied to mips-fixes.

Thanks,
    Paul

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