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Date: Tue, 24 Jun 2014 13:29:57 -0700 From: Kamal Mostafa <kamal@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: "J. Bruce Fields" <bfields@...hat.com>, Kamal Mostafa <kamal@...onical.com> Subject: [PATCH 3.8 37/65] nfsd4: warn on finding lockowner without stateid's 3.8.13.25 -stable review patch. If anyone has any objections, please let me know. ------------------ From: "J. Bruce Fields" <bfields@...hat.com> commit 27b11428b7de097c42f205beabb1764f4365443b upstream. The current code assumes a one-to-one lockowner<->lock stateid correspondance. Signed-off-by: J. Bruce Fields <bfields@...hat.com> Signed-off-by: Kamal Mostafa <kamal@...onical.com> --- fs/nfsd/nfs4state.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 6acaeed..d5e1349 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3971,6 +3971,10 @@ static bool same_lockowner_ino(struct nfs4_lockowner *lo, struct inode *inode, c if (!same_owner_str(&lo->lo_owner, owner, clid)) return false; + if (list_empty(&lo->lo_owner.so_stateids)) { + WARN_ON_ONCE(1); + return false; + } lst = list_first_entry(&lo->lo_owner.so_stateids, struct nfs4_ol_stateid, st_perstateowner); return lst->st_file->fi_inode == inode; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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