From mboxrd@z Thu Jan 1 00:00:00 1970 From: viresh.kumar@st.com (Viresh Kumar) Date: Fri, 29 Jul 2011 16:19:27 +0530 Subject: [PATCH 17/18] dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool In-Reply-To: References: Message-ID: <1ce7eda8117f76d1e9d35bcf59d188351d1b9465.1311936524.git.viresh.kumar@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org In pl08x_free_txd(), check if pool is allocated successfully before freeing it. Signed-off-by: Viresh Kumar --- 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 ddc06bd..a72255c 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -784,7 +784,8 @@ 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