Even though the BUG() in __ffs_event_add is a dead-code, it is still
better to warn rather then crash the system if that code ever gets
executed.
Reported-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
---
drivers/usb/gadget/function/f_fs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
On Wed, Sep 10 2014, Felipe Balbi <balbi@xxxxxx> wrote:
> WARN(1, "unknown event type %d\n", type);
> Then you can drop pr_vdebug();
True, but the printk call will stay in the binary whereas pr_vdebug is not
included in non-debug builds. Furthermore, WARN() does not use pr_fmt.
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index ec50e0d..ea21565 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -2321,7 +2321,8 @@ static void __ffs_event_add(struct ffs_data *ffs,
break;
default:
- BUG();
+ WARN(1, "%d: unknown event, this should not happen\n", type);
+ return;
}
{
--
2.1.0.rc2.206.gedb03e5
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