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[WATCHDOG] pcwd_usb.c: fix a NULL pointer dereference

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The Coverity checker noted that this resulted in a NULL pointer
reference if we were coming from

        if (usb_pcwd == NULL) {
                printk(KERN_ERR PFX "Out of memory\n");
                    goto error;
        }

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
This commit is contained in:
Adrian Bunk 2006-03-10 19:04:38 +01:00 committed by Wim Van Sebroeck
parent 6bbc20bc0b
commit c9d1a0b8d5
1 changed files with 2 additions and 1 deletions
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3
drivers/char/watchdog/pcwd_usb.c
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@ -705,7 +705,8 @@ err_out_misc_deregister:
err_out_unregister_reboot:
unregister_reboot_notifier(&usb_pcwd_notifier);
error:
usb_pcwd_delete (usb_pcwd);
if (usb_pcwd)
usb_pcwd_delete(usb_pcwd);
usb_pcwd_device = NULL;
return retval;
}