From: Bo Yang <bo.yang@amlogic.com>
Date: Wed, 30 Aug 2017 06:56:08 +0000 (+0800)
Subject: jtag: add check for class_register
X-Git-Tag: khadas-vims-v0.9.6-release~2844
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aa222a2e4c47dfc9ebf1197e48f3d1bd3fec15e9;p=platform%2Fkernel%2Flinux-amlogic.git

jtag: add check for class_register

PD#150090: driver defect clean up:
#28


Change-Id: Ib75bbc51cf415b9ccdf8db9bbec7ae764b06e036
Signed-off-by: Bo Yang <bo.yang@amlogic.com>
---

diff --git a/drivers/amlogic/jtag/meson_jtag.c b/drivers/amlogic/jtag/meson_jtag.c
index 4e8b4cb..ddca757 100644
--- a/drivers/amlogic/jtag/meson_jtag.c
+++ b/drivers/amlogic/jtag/meson_jtag.c
@@ -585,7 +585,11 @@ static int aml_jtag_probe(struct platform_device *pdev)
 	jdev->cls.name = AML_JTAG_NAME;
 	jdev->cls.owner = THIS_MODULE;
 	jdev->cls.class_attrs = aml_jtag_attrs;
-	class_register(&jdev->cls);
+	ret = class_register(&jdev->cls);
+	if (ret) {
+		pr_err("couldn't register sysfs class\n");
+		return ret;
+	}
 
 	/* setup jtag */
 	aml_jtag_setup(jdev);