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Commit 0fa822e4 authored by NeilBrown's avatar NeilBrown Committed by Linus Torvalds
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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: default avatarAndy Adamson <andros@citi.umich.edu>
Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: default avatarNeil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 67be4313

fs/nfsd/nfs4state.c

+6 −1
Original line number Diff line number Diff line
@@ -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: