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| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2011-01-25 11:18:32 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2011-01-30 22:27:21 -0800 |
| commit | 6045f0bb2818393a44e835454db96709cb5b3d80 (patch) | |
| tree | fc6c06e7d302100979b0e4a81913b878b83cb5d6 /drivers/dma | |
| parent | e65889c75ccb5b64dfb60f32e2d9448446cabcc7 (diff) | |
| download | linux-6045f0bb2818393a44e835454db96709cb5b3d80.tar.gz linux-6045f0bb2818393a44e835454db96709cb5b3d80.tar.bz2 linux-6045f0bb2818393a44e835454db96709cb5b3d80.zip | |
dma40: handle failure to allocate first LCLA
Acked-by: Per Forlin <per.forlin@stericsson.com>
Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 4ec96ac1e41a..b8cce85a9558 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -538,6 +538,10 @@ static void d40_log_lli_to_lcxa(struct d40_chan *chan, struct d40_desc *desc) curr_lcla); lli_current++; + + if (curr_lcla < 0) + goto out; + for (; lli_current < lli_len; lli_current++) { unsigned int lcla_offset = chan->phy_chan->num * 1024 + 8 * curr_lcla * 2; @@ -567,6 +571,7 @@ static void d40_log_lli_to_lcxa(struct d40_chan *chan, struct d40_desc *desc) } } +out: desc->lli_current = lli_current; } |