From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 7 May 2013 11:50:06 +0000 (+0800)
Subject: usb: gadget: dummy_hcd: fix error return code in init()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=481d30427e5506fc1f5c27bbb94faef9d1ec72a0;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

usb: gadget: dummy_hcd: fix error return code in init()

Fix to return -ENOMEM in the kzalloc() error handling case instead
of 0(following platform_device_add_data() will overwrite it to 0), as
done elsewhere in this function.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 22236ecb2e29..c588e8e486e5 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -2660,8 +2660,10 @@ static int __init init(void)
 	}
 	for (i = 0; i < mod_data.num; i++) {
 		dum[i] = kzalloc(sizeof(struct dummy), GFP_KERNEL);
-		if (!dum[i])
+		if (!dum[i]) {
+			retval = -ENOMEM;
 			goto err_add_pdata;
+		}
 		retval = platform_device_add_data(the_hcd_pdev[i], &dum[i],
 				sizeof(void *));
 		if (retval)