From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 1 Sep 2014 18:38:09 +0000 (-0400)
Subject: ext4: call ext4_ext_drop_refs() from ext4_ext_find_extent()
X-Git-Tag: fixes-against-v3.18-rc2~28^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=523f431ccfffd3022e80e13befb9594f54b5607e;p=pandora-kernel.git

ext4: call ext4_ext_drop_refs() from ext4_ext_find_extent()

In nearly all of the calls to ext4_ext_find_extent() where the caller
is trying to recycle the path object, ext4_ext_drop_refs() gets called
to release the buffer heads before the path object gets overwritten.
To simplify things for the callers, and to avoid the possibility of a
memory leak, make ext4_ext_find_extent() responsible for dropping the
buffers.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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