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Message-ID: <CAOh2x==rW9NNJ6kxRF13D=eYVmHsEhCHck7ecDpe9YcrSm8mXA@mail.gmail.com> Date: Thu, 22 Nov 2012 10:55:27 +0530 From: viresh kumar <viresh.kumar@...aro.org> To: Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com> Cc: linux-kernel@...r.kernel.org, Dave Jiang <dave.jiang@...el.com>, Jon Mason <jon.mason@...el.com> Subject: Re: [PATCH v2] dmatest: Fix NULL pointer dereference on ioat On Wed, Nov 14, 2012 at 8:17 AM, viresh kumar <viresh.kumar@...aro.org> wrote: > On Mon, Nov 12, 2012 at 4:33 AM, Jon Mason <jon.mason@...el.com> wrote: >> device_control is an optional and not implemented in all DMA drivers. >> Any calls to these will result in a NULL pointer dereference. dmatest >> makes two of these calls when completing the kernel thread and removing >> the module. These are corrected by calling the dmaengine_device_control >> wrapper and checking for a non-existant device_control function pointer >> there. >> >> Signed-off-by: Jon Mason <jon.mason@...el.com> >> CC: Vinod Koul <vinod.koul@...el.com> >> CC: Dan Williams <djbw@...com> > Reviewed-by: Viresh Kumar <viresh.kumar@...aro.org> Vinod/Dan: I couldn't find this patch and https://patchwork.kernel.org/patch/1720971/ in you trees. Are you pushing them for 3.8? -- viresh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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