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[PATCH] usb: gadget: dummy: fix infinite loop because of missing loop decrement

From Colin King <colin.king@canonical.com>
Newsgroups linux.kernel
Subject [PATCH] usb: gadget: dummy: fix infinite loop because of missing loop decrement
Date 2017-08-15 09:40 +0200
Message-ID <ueECd-6Oz-5@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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From: Colin Ian King <colin.king@canonical.com>

The while loop never terminates because the loop counter i is never
decremented. Fix this by decrementing i.

Detected by CoverityScan, CID#751073 ("Infinite Loop")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/usb/gadget/udc/dummy_hcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 3c3760315910..a030d7923d7d 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -2776,7 +2776,7 @@ static int __init init(void)
 		if (retval < 0) {
 			i--;
 			while (i >= 0)
-				platform_device_del(the_udc_pdev[i]);
+				platform_device_del(the_udc_pdev[i--]);
 			goto err_add_udc;
 		}
 	}
-- 
2.11.0

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[PATCH] usb: gadget: dummy: fix infinite loop because of missing loop decrement Colin King <colin.king@canonical.com> - 2017-08-15 09:40 +0200
  Re: [PATCH] usb: gadget: dummy: fix infinite loop because of missing  loop decrement Alan Stern <stern@rowland.harvard.edu> - 2017-08-15 16:00 +0200

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