From: willy@linux.intel.com (Matthew Wilcox)
Subject: [PATCH] NVMe: fix uninitialized iod compiler warning
Date: Thu, 26 Jul 2012 10:50:57 -0400 [thread overview]
Message-ID: <20120726145057.GC22985@linux.intel.com> (raw)
In-Reply-To: <1343253869-30836-1-git-send-email-keith.busch@intel.com>
On Wed, Jul 25, 2012@04:04:29PM -0600, Keith Busch wrote:
> int status, length;
> - struct nvme_iod *iod;
> + struct nvme_iod *iod = NULL;
>
So this is a compiler bug. And it's not present in every compiler
version; it didn't occur on my machine until I upgraded gcc recently.
There's no way that iod can be used uninitialised. The correct way to
indicate this is:
+ struct nvme_iod *uninitialized_var(iod);
next prev parent reply other threads:[~2012-07-26 14:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-25 22:04 [PATCH] NVMe: fix uninitialized iod compiler warning Keith Busch
2012-07-26 14:50 ` Matthew Wilcox [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-07-27 17:53 [PATCH] NVMe: Fix " Keith Busch
2012-07-27 18:26 ` Matthew Wilcox
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