From: Fengguang Wu <fengguang.wu@intel.com>
To: kernel-janitors@vger.kernel.org
Subject: ehci-dbg.c:656 fill_periodic_buffer() warn: variable dereferenced before check 'p.qh' (see line 599)
Date: Thu, 13 Sep 2012 23:49:02 +0000 [thread overview]
Message-ID: <20120913234902.GB6340@localhost> (raw)
Hi Richard,
FYI, there are new smatch warnings show up in
commit 3807e26d69b9ad3864fe03224ebebc9610d5802e
Author: Alek Du <alek.du@intel.com>
AuthorDate: Tue Jul 14 07:23:29 2009 +0800
drivers/usb/chipidea/../host/ehci-dbg.c:656 fill_periodic_buffer() warn: variable dereferenced before check 'p.qh' (see line 599)
vim +656 drivers/usb/chipidea/../host/ehci-dbg.c
596
597 switch (hc32_to_cpu(ehci, tag)) {
598 case Q_TYPE_QH:
599 hw = p.qh->hw;
...
> 656 if (p.qh) {
657 tag = Q_NEXT_TYPE(ehci, hw->hw_next);
658 p = p.qh->qh_next;
659 }
660 break;
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com> Intel Corporation
next reply other threads:[~2012-09-13 23:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 23:49 Fengguang Wu [this message]
2012-09-14 0:29 ` ehci-dbg.c:656 fill_periodic_buffer() warn: variable dereferenced before check 'p.qh' (see line Alan Stern
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