From: Nikanth Karthikesan <knikanth@suse.de>
Date: Thu, 2 Apr 2009 23:56:46 +0000 (-0700)
Subject: vfs: check bh->b_blocknr only if BH_Mapped is set
X-Git-Tag: v2.6.30-rc1~397
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97f76d3d197f201ac8a8a3ced5b8fef81568e50e;p=pandora-kernel.git

vfs: check bh->b_blocknr only if BH_Mapped is set

Check bh->b_blocknr only if BH_Mapped is set.

akpm: I doubt if b_blocknr is ever uninitialised here, but it could
conceivably cause a problem if we're doing a lookup for block zero.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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