linux-kernel - linux-next: build warning after merge of the vfs tree

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Date:	Tue, 25 Sep 2012 11:52:04 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: linux-next: build warning after merge of the vfs tree

Hi Al,

After merging the vfs tree, today's linux-next build (powerpc
ppc64_defconfig) produced this warning:

kernel/events/core.c: In function 'perf_ioctl':
kernel/events/core.c:3285:17: warning: 'output.file' may be used uninitialized in this function [-Wuninitialized]
include/linux/file.h:36:5: warning: '*((void *)&output+8)' may be used uninitialized in this function [-Wuninitialized]
kernel/events/core.c:3281:14: note: '*((void *)&output+8)' was declared here

Introduced by commit 19ba95358327 ("switch simple cases of fget_light to
fdget").  perf_fget_light() takes the address of a struct fd * but does
not do anything with it ...

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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