Commit 00ee3a13 authored by Stefan Wahren's avatar Stefan Wahren Committed by Jassi Brar

mailbox: bcm2835: Fix of_xlate return value

The bcm2835-mailbox returns NULL instead of an error pointer, which could
result in a NULL ptr dereference in mbox_request_channel. So fix this
by returning a proper error pointer.
Signed-off-by: default avatarStefan Wahren <stefan.wahren@i2se.com>
Fixes: 0bae6af6 ("mailbox: Enable BCM2835 mailbox support")
Reviewed-by: Eric Anholt's avatarEric Anholt <eric@anholt.net>
Signed-off-by: default avatarJassi Brar <jaswinder.singh@linaro.org>
parent 61a2f6db
......@@ -134,7 +134,7 @@ static struct mbox_chan *bcm2835_mbox_index_xlate(struct mbox_controller *mbox,
const struct of_phandle_args *sp)
{
if (sp->args_count != 0)
return NULL;
return ERR_PTR(-EINVAL);
return &mbox->chans[0];
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment