]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
usb: gadget: m66592-udc: forever loop in set_feature()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 29 Jul 2015 21:30:58 +0000 (00:30 +0300)
committerLuis Henriques <luis.henriques@canonical.com>
Wed, 30 Sep 2015 12:20:38 +0000 (13:20 +0100)
commit 5feb5d2003499b1094d898c010a7604d7afddc4c upstream.

There is an "&&" vs "||" typo here so this loops 3000 times or if we get
unlucky it could loop forever.

Fixes: ceaa0a6eeadf ('usb: gadget: m66592-udc: add support for TEST_MODE')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
[ luis: backported to 3.16:
  - file rename: drivers/usb/gadget/udc/m66592-udc.c ->
    drivers/usb/gadget/m66592-udc.c ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
drivers/usb/gadget/m66592-udc.c

index 0d17174b86f8bbec733541270cc886ddf74c1d5e..36b47a794d77c2978185b4475ce5f962692b3519 100644 (file)
@@ -1052,7 +1052,7 @@ static void set_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl)
                                tmp = m66592_read(m66592, M66592_INTSTS0) &
                                                                M66592_CTSQ;
                                udelay(1);
-                       } while (tmp != M66592_CS_IDST || timeout-- > 0);
+                       } while (tmp != M66592_CS_IDST && timeout-- > 0);
 
                        if (tmp == M66592_CS_IDST)
                                m66592_bset(m66592,