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Message-ID: <20200227234055.GF23230@ZenIV.linux.org.uk>
Date: Thu, 27 Feb 2020 23:40:55 +0000
From: Al Viro <viro@...iv.linux.org.uk>
To: Scott Branden <scott.branden@...adcom.com>
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH] exec: remove comparision of variable i_size of type
loff_t against SIZE_MAX
On Thu, Feb 27, 2020 at 03:31:33PM -0800, Scott Branden wrote:
> Remove comparision of (i_size > SIZE_MAX).
> i_size is of type loff_t and can not be great than SIZE_MAX (~(size_t)0).
include/linux/types.h:46:typedef __kernel_loff_t loff_t;
include/uapi/asm-generic/posix_types.h:88:typedef long long __kernel_loff_t;
And boxen with size_t smaller than long long do exist. Anything
32bit will qualify. Pick any such and check that yourself...
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