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(parent: d44651d) | patch
ext4: avoid stamping on other memories in ext4_ext_insert_index()
authorTao Ma <boyu.mt@taobao.com>
Sat, 8 Oct 2011 21:18:27 +0000 (17:18 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Sat, 8 Oct 2011 21:18:27 +0000 (17:18 -0400)
commit4fd30c0330ba951d579ee3f0c24eaf1fa0580719
treedfd55a24df6ff0a4b625780c8530bb0bff71d12btree | snapshot
parentd44651d0f922b7aaeddd9fc04f2f5700a65983ddcommit | diff
ext4: avoid stamping on other memories in ext4_ext_insert_index()

In ext4_ext_insert_index, we initialize 'ix' before checking its
validity, so we have a chance to stamp on memories out of the block.
Move the check before we do the work.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/extents.c diff | blob | history
Linux kernel for KaRo TX COM modules