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Date: Mon, 1 Aug 2011 15:07:29 +0530 From: Viresh Kumar <viresh.kumar@...com> To: <linus.walleij@...aro.org> Cc: <vinod.koul@...el.com>, <dan.j.williams@...el.com>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux@....linux.org.uk>, <armando.visconti@...com>, <shiraz.hashim@...com>, <vipin.kumar@...com>, <rajeev-dlh.kumar@...com>, <deepak.sikri@...com>, <vipulkumar.samar@...com>, <amit.virdi@...com>, <viresh.kumar@...com>, <pratyush.anand@...com>, <bhupesh.sharma@...com>, <viresh.linux@...il.com> Subject: [PATCH V2 19/20] dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool In pl08x_free_txd(), check if pool is allocated successfully before freeing it. Signed-off-by: Viresh Kumar <viresh.kumar@...com> Acked-by: Linus Walleij <linus.walleij@...aro.org> --- drivers/dma/amba-pl08x.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index adc8a36..2667e0d 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -796,7 +796,8 @@ static void pl08x_free_txd(struct pl08x_driver_data *pl08x, struct pl08x_sg *dsg, *_dsg; /* Free the LLI */ - dma_pool_free(pl08x->pool, txd->llis_va, txd->llis_bus); + if (txd->llis_va) + dma_pool_free(pl08x->pool, txd->llis_va, txd->llis_bus); pl08x->pool_ctr--; -- 1.7.2.2 -- 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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