diff options
author | Rabin Vincent <rabin.vincent@stericsson.com> | 2011-01-25 05:18:32 -0500 |
---|---|---|
committer | Dan Williams <dan.j.williams@intel.com> | 2011-01-31 01:27:21 -0500 |
commit | 6045f0bb2818393a44e835454db96709cb5b3d80 (patch) | |
tree | fc6c06e7d302100979b0e4a81913b878b83cb5d6 | |
parent | e65889c75ccb5b64dfb60f32e2d9448446cabcc7 (diff) |
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>
-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) | |||
538 | curr_lcla); | 538 | curr_lcla); |
539 | 539 | ||
540 | lli_current++; | 540 | lli_current++; |
541 | |||
542 | if (curr_lcla < 0) | ||
543 | goto out; | ||
544 | |||
541 | for (; lli_current < lli_len; lli_current++) { | 545 | for (; lli_current < lli_len; lli_current++) { |
542 | unsigned int lcla_offset = chan->phy_chan->num * 1024 + | 546 | unsigned int lcla_offset = chan->phy_chan->num * 1024 + |
543 | 8 * curr_lcla * 2; | 547 | 8 * curr_lcla * 2; |
@@ -567,6 +571,7 @@ static void d40_log_lli_to_lcxa(struct d40_chan *chan, struct d40_desc *desc) | |||
567 | } | 571 | } |
568 | } | 572 | } |
569 | 573 | ||
574 | out: | ||
570 | desc->lli_current = lli_current; | 575 | desc->lli_current = lli_current; |
571 | } | 576 | } |
572 | 577 | ||