linux-kernel - Re: [PATCH 1/2] RDMA/ocrdma: Fix an error code in ocrdma_alloc

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Message-ID: <94260605-15c2-d088-d5b6-ded6bca77d43@redhat.com>
Date:   Sat, 22 Jul 2017 13:29:17 -0400
From:   Doug Ledford <dledford@...hat.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Selvin Xavier <selvin.xavier@...adcom.com>,
        Naresh Gottumukkala <bgottumukkala@...lex.com>
Cc:     Devesh Sharma <devesh.sharma@...adcom.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        Leon Romanovsky <leon@...nel.org>,
        Dasaratharaman Chandramouli 
        <dasaratharaman.chandramouli@...el.com>,
        Niranjana Vishwanathapura <niranjana.vishwanathapura@...el.com>,
        Artemy Kovalyov <artemyko@...lanox.com>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        ssh10 <mayhs11saini@...il.com>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/2] RDMA/ocrdma: Fix an error code in ocrdma_alloc_pd()

On 7/13/2017 3:46 AM, Dan Carpenter wrote:
> We should preserve the original "status" error code instead of resetting
> it to zero.  Returning ERR_PTR(0) is the same as NULL and results in a
> NULL dereference in the callers.  I added a printk() on error instead.
> 
> Fixes: 45e86b33ec8b ("RDMA/ocrdma: Cache recv DB until QP moved to RTR")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

This was accepted into 4.13-rc, thanks.

-- 
Doug Ledford <dledford@...hat.com>
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