mirror of https://gitee.com/openkylin/linux.git
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>
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@ -538,6 +538,10 @@ static void d40_log_lli_to_lcxa(struct d40_chan *chan, struct d40_desc *desc)
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curr_lcla);
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lli_current++;
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if (curr_lcla < 0)
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goto out;
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for (; lli_current < lli_len; lli_current++) {
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unsigned int lcla_offset = chan->phy_chan->num * 1024 +
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8 * curr_lcla * 2;
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@ -567,6 +571,7 @@ static void d40_log_lli_to_lcxa(struct d40_chan *chan, struct d40_desc *desc)
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}
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}
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out:
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desc->lli_current = lli_current;
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}
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