linux-kernel - [PATCH][Resend] USB: Remove test for NULL that'll never happen in usb

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LNX.2.00.1108020001310.31999@swampdragon.chaosbits.net>
Date:	Tue, 2 Aug 2011 00:03:24 +0200 (CEST)
From:	Jesper Juhl <jj@...osbits.net>
To:	linux-kernel@...r.kernel.org
cc:	Alan Stern <stern@...land.harvard.edu>, linux-usb@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Andiry Xu <andiry.xu@....com>, Luben Tuikov <ltuikov@...oo.com>
Subject: [PATCH][Resend] USB: Remove test for NULL that'll never happen in
 usb_disconnect()

In drivers/usb/core/hub.c::usb_disconnect(), 'udev' will never be
NULL, so remove the test and printing of debug message.

Signed-off-by: Jesper Juhl <jj@...osbits.net>
Acked-by: Alan Stern <stern@...land.harvard.edu>
---
 drivers/usb/core/hub.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index a428aa0..99fff6b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1636,11 +1636,6 @@ void usb_disconnect(struct usb_device **pdev)
 	int			i;
 	struct usb_hcd		*hcd = bus_to_hcd(udev->bus);
 
-	if (!udev) {
-		pr_debug ("%s nodev\n", __func__);
-		return;
-	}
-
 	/* mark the device as inactive, so any further urb submissions for
 	 * this device (and any of its children) will fail immediately.
 	 * this quiesces everything except pending urbs.
-- 
1.7.6


-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
Plain text mails only, please.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/