oops! you can forget this patch, the original implementation is correct BR
Fabien On 01/03/18 11:16, Fabien DESSENNE wrote: > If 'name' is not found in the "mbox-names" list, return an error > > Signed-off-by: Fabien Dessenne <[email protected]> > --- > drivers/mailbox/mailbox.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c > index 674b35f..a31970a 100644 > --- a/drivers/mailbox/mailbox.c > +++ b/drivers/mailbox/mailbox.c > @@ -391,11 +391,12 @@ struct mbox_chan *mbox_request_channel_byname(struct > mbox_client *cl, > > of_property_for_each_string(np, "mbox-names", prop, mbox_name) { > if (!strncmp(name, mbox_name, strlen(name))) > - break; > + return mbox_request_channel(cl, index); > index++; > } > > - return mbox_request_channel(cl, index); > + dev_err(cl->dev, "%s() mbox %s not found\n", __func__, name); > + return ERR_PTR(-EINVAL); > } > EXPORT_SYMBOL_GPL(mbox_request_channel_byname); >

