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| author | Viresh Kumar <viresh.kumar@st.com> | 2011-08-05 10:02:44 (GMT) |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2011-09-19 09:43:16 (GMT) |
| commit | c12056466d76cdff884402d15f077dd0586e5215 (patch) | |
| tree | b166b5a86426519859d20978445b4e3390317d8a | |
| parent | b7f69d9d4283cfbbf7458962cf9bdba6463b831d (diff) | |
| download | linux-c12056466d76cdff884402d15f077dd0586e5215.tar.xz | |
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@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
| -rw-r--r-- | 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 2c390d1..b7cbd1a 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -803,7 +803,8 @@ 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--; |