From: Ibai Erkiaga <ibai.erkiaga-elo...@xilinx.com>
Check if request and free operations are present prior calling to the
functions.
Signed-off-by: Ibai Erkiaga <ibai.erkiaga-elo...@xilinx.com>
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
Changes in v2: None
drivers/mailbox/mailbox-uclass.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/mailbox/mailbox-uclass.c b/drivers/mailbox/mailbox-uclass.c
index 1b4a5863c9e5..809f26b20258 100644
--- a/drivers/mailbox/mailbox-uclass.c
+++ b/drivers/mailbox/mailbox-uclass.c
@@ -63,7 +63,8 @@ int mbox_get_by_index(struct udevice *dev, int index, struct
mbox_chan *chan)
return ret;
}
- ret = ops->request(chan);
+ if (ops->request)
+ ret = ops->request(chan);
if (ret) {
debug("ops->request() failed: %d\n", ret);
return ret;
@@ -94,7 +95,10 @@ int mbox_free(struct mbox_chan *chan)
debug("%s(chan=%p)\n", __func__, chan);
- return ops->free(chan);
+ if (ops->free)
+ return ops->free(chan);
+
+ return 0;
}
int mbox_send(struct mbox_chan *chan, const void *data)
--
2.17.1
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