From: Dan Carpenter <dan.carpenter@oracle.com>
To: Martin Kaiser <martin@kaiser.cx>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Larry Finger <Larry.Finger@lwfinger.net>,
Phillip Potter <phil@philpotter.co.uk>,
Michael Straube <straube.linux@gmail.com>,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: r8188eu: remove local BIT macro
Date: Mon, 21 Mar 2022 11:15:59 +0300 [thread overview]
Message-ID: <20220321081559.GF3293@kadam> (raw)
In-Reply-To: <20220319180342.3143734-1-martin@kaiser.cx>
This version is better, thanks!
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
What the GCC devs should have done is run their checker on real code and
silence the common false positives. There are a few ways to do this.
You could make ~ a special case. They already ignore truncated sign
extension so they could equally well ignore truncation when all it's a
32 bits which are all set to 1. Probably the best answer is to do both.
Sure, you might miss some bugs that way, but anyone relying on GCC to
find *all* their bugs is a moron.
regards,
dan carpenter
next prev parent reply other threads:[~2022-03-21 8:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-19 18:03 [PATCH] staging: r8188eu: remove local BIT macro Martin Kaiser
2022-03-19 22:35 ` David Laight
2022-03-21 9:06 ` Dan Carpenter
2022-03-21 9:14 ` David Laight
2022-03-21 9:34 ` Martin Kaiser
2022-03-21 8:15 ` Dan Carpenter [this message]
2022-03-21 9:04 ` David Laight
2022-03-21 9:07 ` Dan Carpenter
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