Messages in this thread Patch in this message | | | From | Fabien Dessenne <> | Subject | [PATCH] mailbox: return error in mbox_request_channel_byname | Date | Thu, 1 Mar 2018 11:16:14 +0100 |
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If 'name' is not found in the "mbox-names" list, return an error
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> --- 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); -- 2.7.4
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