Messages in this thread Patch in this message | | | From | Viresh Kumar <> | 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 |
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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
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