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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>
This commit is contained in:
Rabin Vincent 2011-01-25 11:18:32 +01:00 committed by Dan Williams
parent e65889c75c
commit 6045f0bb28
1 changed files with 5 additions and 0 deletions
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5
drivers/dma/ste_dma40.c
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@ -538,6 +538,10 @@ static void d40_log_lli_to_lcxa(struct d40_chan *chan, struct d40_desc *desc)
curr_lcla); curr_lcla);
lli_current++; lli_current++;
if (curr_lcla < 0)
goto out;
for (; lli_current < lli_len; lli_current++) { for (; lli_current < lli_len; lli_current++) {
unsigned int lcla_offset = chan->phy_chan->num * 1024 + unsigned int lcla_offset = chan->phy_chan->num * 1024 +
8 * curr_lcla * 2; 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; desc->lli_current = lli_current;
} }