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[PATCH] nfsd4: fix release_lockowner 

We oops in list_for_each_entry(), because release_stateowner frees something
on the list we're traversing.

Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2005-07-07 17:59:14 -07:00 committed by Linus Torvalds
parent 67be431350
commit 0fa822e452
1 changed files with 6 additions and 1 deletions
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7
fs/nfsd/nfs4state.c
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@ -3084,7 +3084,12 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp, struct nfsd4_release_lockowner *
* of the lockowner state released; so don't release any until all
* have been checked. */
status = nfs_ok;
list_for_each_entry(sop, &matches, so_perclient) {
while (!list_empty(&matches)) {
sop = list_entry(matches.next, struct nfs4_stateowner,
so_perclient);
/* unhash_stateowner deletes so_perclient only
* for openowners. */
list_del(&sop->so_perclient);
release_stateowner(sop);
}
out: