From: David Miller <davem@davemloft.net>
To: cmdkhh@gmail.com
Cc: bp@alien8.de, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] ide-cd: Fix signedness warning
Date: Tue, 31 May 2011 15:23:46 -0700 (PDT) [thread overview]
Message-ID: <20110531.152346.160925902.davem@davemloft.net> (raw)
In-Reply-To: <1306739612-29239-1-git-send-email-cmdkhh@gmail.com>
From: Connor Hansen <cmdkhh@gmail.com>
Date: Mon, 30 May 2011 00:13:32 -0700
> One of the legit warnings 'make W=3 drivers/ide/ide-cd.o´ generates is
>
> drivers/ide/ide-cd.c: In function .ide_cdrom_prep_fs.:
> drivers/ide/ide-cd.c:1314: warning: conversion to .unsigned int. from .int. may change the sign of the result
>
> because queue_logical_block_size() returns unsigned short but hard_sect
> is defined as int. Fix that no matter how low the potential for this
> becoming a bug is.
>
> Signed-off-by: Connor Hansen <cmdkhh@gmail.com>
An 'int' can always hold as large a value as an "unsigned short" can ever
hold, so there is no real problem here.
I'm not applying this.
prev parent reply other threads:[~2011-05-31 22:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-30 7:13 Connor Hansen
2011-05-31 22:23 ` David Miller [this message]
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