There can be only one console for console_simple, so
return with -EBUSY when the second gets registered.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
common/console_simple.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/common/console_simple.c b/common/console_simple.c
index 49c5b33..7ad88d9 100644
--- a/common/console_simple.c
+++ b/common/console_simple.c
@@ -155,13 +155,15 @@ EXPORT_SYMBOL(ctrlc);
int console_register(struct console_device *newcdev)
{
- if (!console) {
- console = newcdev;
- console_list.prev = console_list.next = &newcdev->list;
- newcdev->list.prev = newcdev->list.next = &console_list;
+ if (console)
+ return -EBUSY;
+
+ console = newcdev;
+ console_list.prev = console_list.next = &newcdev->list;
+ newcdev->list.prev = newcdev->list.next = &console_list;
+
+ barebox_banner();
- barebox_banner();
- }
return 0;
}
--
1.7.10
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