From: Johan Hovold <johan@hovoldconsulting.com>
Date: Wed, 2 Sep 2015 15:37:38 +0000 (+0200)
Subject: greybus: core: fix hd-creation error path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1a58a3befaccdf84f5a31e3cecd26c8d57c10890;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

greybus: core: fix hd-creation error path

Make sure to return an errno when a host-device buffer-size check fails.

Fixes: 1f92f6404614 ("core: return error code when creating host device")
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
---

diff --git a/drivers/staging/greybus/core.c b/drivers/staging/greybus/core.c
index 3ba744b0e998..605a0887dc61 100644
--- a/drivers/staging/greybus/core.c
+++ b/drivers/staging/greybus/core.c
@@ -184,7 +184,7 @@ struct greybus_host_device *greybus_create_hd(struct greybus_host_driver *driver
 
 	if (buffer_size_max < GB_OPERATION_MESSAGE_SIZE_MIN) {
 		dev_err(parent, "greybus host-device buffers too small\n");
-		return NULL;
+		return ERR_PTR(-EINVAL);
 	}
 
 	if (num_cports == 0 || num_cports > CPORT_ID_MAX) {