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| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-03-03 14:13:08 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-03-03 14:13:08 -0500 |
| commit | 4919c5e45a91b5db5a41695fe0357fbdff0d5767 (patch) | |
| tree | 1aec0bdee83753205be2a6bbe0486db08984f938 /ipc/mqueue.c | |
| parent | bec1052e5be6a70f03f6adc650f3a6e4c2f44ddf (diff) | |
| download | lwn-4919c5e45a91b5db5a41695fe0357fbdff0d5767.tar.gz lwn-4919c5e45a91b5db5a41695fe0357fbdff0d5767.zip | |
fix race in d_splice_alias()
rehashing the negative placeholder opens a race with d_lookup();
we unhash it almost immediately (by d_move()), but the race
window is there. Since d_move() doesn't rely on target being
hashed, we don't need that d_rehash() at all.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'ipc/mqueue.c')
0 files changed, 0 insertions, 0 deletions