From mboxrd@z Thu Jan 1 00:00:00 1970 From: oneukum@suse.de (Oliver Neukum) Date: Wed, 10 Oct 2012 14:35:36 +0200 Subject: [PATCH v2] USB: usb-skeleton.c: fix compilation error and restore kref_put on fail in skel_open In-Reply-To: <1349865174-21649-1-git-send-email-const@MakeLinux.com> References: <1349865174-21649-1-git-send-email-const@MakeLinux.com> Message-ID: <1952553.sIPjpLauNn@linux-lqwf.site> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wednesday 10 October 2012 12:32:54 Constantine Shulyupin wrote: > From: Constantine Shulyupin > > Function skel_open increments usage count for the device with kref_get and the usage count should be decremented on the function failure. > > Some last changes in function skel_open and finally commit > 52a7499 Revert "USB: usb-skeleton.c: fix open/disconnect race" > introduced a bug in function skel_open, which this patch fixes. > > -- > Changelog: > -- Fixed accordinly feedback of Oliver Neukum oneukum at suse.de: also need to drop the lock. Well, touching file->private_data is not nice. It is correct, but really dirty. The skeleton driver should be nice. Could you introduce a second label for goto at the right place? Regards Oliver