From patchwork Tue May 31 09:35:17 2011
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Subject: [01/14] usb-linux: Set usb_auto_timer to NULL after deleting it
From: Hans de Goede <hdegoede@redhat.com>
X-Patchwork-Id: 97984
Message-Id: <1306834530-12763-2-git-send-email-hdegoede@redhat.com>
To: qemu-devel@nongnu.org
Cc: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 31 May 2011 11:35:17 +0200

We might check for it being NULL later, if the device gets unplugged.

---
usb-linux.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/usb-linux.c b/usb-linux.c
index 4d7a31a..ea3ab5f 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -1675,6 +1675,7 @@ static void usb_host_auto_check(void *unused)
         /* nothing to watch */
         if (usb_auto_timer) {
             qemu_del_timer(usb_auto_timer);
+            usb_auto_timer = NULL;
         }
         return;
     }