From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Wed, 27 Mar 2013 15:20:30 +0000 (+0000)
Subject: vfs/splice: Fix missed checks in new __kernel_write() helper
X-Git-Tag: v3.9-rc5~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e84f48edfd33b2e209a117c11fb9ce637cc9b67;p=pandora-kernel.git

vfs/splice: Fix missed checks in new __kernel_write() helper

Commit 06ae43f34bcc ("Don't bother with redoing rw_verify_area() from
default_file_splice_from()") lost the checks to test existence of the
write/aio_write methods.  My apologies ;-/

Eventually, we want that in fs/splice.c side of things (no point
repeating it for every buffer, after all), but for now this is the
obvious minimal fix.

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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