From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 30 Jul 2008 21:26:25 +0000 (-0700)
Subject: romfs_readpage: don't report errors for pages beyond i_size
X-Git-Tag: v2.6.27-rc2~116
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0056e65f9e28d83ee1a3fb4f7d0041e838f03c34;p=pandora-kernel.git

romfs_readpage: don't report errors for pages beyond i_size

We zero-fill them like we are supposed to, and that's all fine.  It's
only an error if the 'romfs_copyfrom()' routine isn't able to fill the
data that is supposed to be there.

Most of the patch is really just re-organizing the code a bit, and using
separate variables for the error value and for how much of the page we
actually filled from the filesystem.

Reported-and-tested-by: Chris Fester <cfester@wms.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Matt Waddel <matt.waddel@freescale.com>
Cc: Greg Ungerer <gerg@snapgear.com>
Signed-of-by: Linus Torvalds <torvalds@linux-foundation.org>
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