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>
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 4ec96ac..b8cce85 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -538,6 +538,10 @@
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 @@
}
}
+out:
desc->lli_current = lli_current;
}