From: Viresh Kumar <viresh.kumar@st.com> To: <linus.walleij@linaro.org>, <vinod.koul@intel.com>, <dan.j.williams@intel.com> Cc: <linux-arm-kernel@lists.infradead.org>, <armando.visconti@st.com>, <shiraz.hashim@st.com>, <vipin.kumar@st.com>, <rajeev-dlh.kumar@st.com>, <deepak.sikri@st.com>, <vipulkumar.samar@st.com>, <amit.virdi@st.com>, <viresh.kumar@st.com>, <pratyush.anand@st.com>, <bhupesh.sharma@st.com>, <viresh.linux@gmail.com>, <linux-kernel@vger.kernel.org>, <linux@arm.linux.org.uk>, <alim.akhtar@gmail.com> Subject: [PATCH V3 19/20] dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool Date: Fri, 5 Aug 2011 15:32:44 +0530 [thread overview] Message-ID: <4ef4f1c757c02b89fd2cce6775318a417c2626bb.1312538034.git.viresh.kumar@st.com> (raw) In-Reply-To: <cover.1312538034.git.viresh.kumar@st.com> In pl08x_free_txd(), check if pool is allocated successfully before freeing it. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: Linus Walleij <linus.walleij@linaro.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 e4e7969..4d2aedc 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -800,7 +800,8 @@ 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
WARNING: multiple messages have this Message-ID (diff)
From: viresh.kumar@st.com (Viresh Kumar) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH V3 19/20] dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool Date: Fri, 5 Aug 2011 15:32:44 +0530 [thread overview] Message-ID: <4ef4f1c757c02b89fd2cce6775318a417c2626bb.1312538034.git.viresh.kumar@st.com> (raw) In-Reply-To: <cover.1312538034.git.viresh.kumar@st.com> In pl08x_free_txd(), check if pool is allocated successfully before freeing it. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: Linus Walleij <linus.walleij@linaro.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 e4e7969..4d2aedc 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -800,7 +800,8 @@ 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
next prev parent reply other threads:[~2011-08-05 10:08 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-05 10:02 [PATCH V3 00/20] dmaengine/amba-pl08x updates Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 01/20] ARM: asm/pl080.h: Protect against multiple inclusion of header file Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 02/20] dmaengine/amba-pl08x: Resolve formatting issues Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 03/20] dmaengine/amba-pl08x: Rearrange inclusion of header files in ascending order Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 04/20] dmaengine/amba-pl08x: pass (*ptr) to sizeof() instead of (struct xyz) Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 05/20] dmaengine/amba-pl08x: Complete doc comment for struct pl08x_txd Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 06/20] dmaengine/amba-pl08x: Remove redundant comment and rewrite original Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 07/20] dmaengine/amba-pl08x: Changing few prints to dev_dbg from dev_info Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 08/20] dmaengine/amba-pl08x: support runtime PM Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 09/20] dmaengine/amba-pl08x: Simplify pl08x_ensure_on() Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 10/20] dmaengine/amba-pl08x: No need to check "ch->signal < 0" Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 11/20] dmaengine/amba-pl08x: Schedule tasklet in case of error interrupt Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 12/20] dmaengine/amba-pl08x: Get rid of pl08x_pre_boundary() Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 13/20] dmaengine/amba-pl08x: max_bytes_per_lli is TRANSFER_SIZE * src_width (not MIN(width)) Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 14/20] dmaengine/amba-pl08x: Add prep_single_byte_llis() routine Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 15/20] dmaengine/amba-pl08x: Align lli_len to max(src.width, dst.width) Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 16/20] dmaengine/amba-pl08x: Choose peripheral bus as master bus Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 17/20] dmaengine/amba-pl08x: Pass flow controller information with slave channel data Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 18/20] dmaengine/amba-pl08x: Add support for sg len greater than one for slave transfers Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar [this message] 2011-08-05 10:02 ` [PATCH V3 19/20] dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool Viresh Kumar 2011-08-05 10:02 ` [PATCH V3 20/20] dmaengine/amba-pl08x: Call pl08x_free_txd() instead of calling kfree() directly Viresh Kumar 2011-08-05 10:02 ` Viresh Kumar 2011-08-23 8:17 ` [PATCH V3 00/20] dmaengine/amba-pl08x updates Linus Walleij 2011-08-23 8:17 ` Linus Walleij 2011-08-25 14:06 ` Koul, Vinod 2011-08-25 14:06 ` Koul, Vinod
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