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Commit 8a9ccffb authored by Trond Myklebust's avatar Trond Myklebust Committed by Greg Kroah-Hartman
Browse files

pNFS/NFSv4: Fix a layout segment leak in pnfs_layout_process() 



[ Upstream commit 814b84971388cd5fb182f2e914265b3827758455 ]

If the server returns a new stateid that does not match the one in our
cache, then pnfs_layout_process() will leak the layout segments returned
by pnfs_mark_layout_stateid_invalid().

Fixes: 9888d837 ("pNFS: Force a retry of LAYOUTGET if the stateid doesn't match our cache")
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent f518b796

fs/nfs/pnfs.c

+1 −0
Original line number Diff line number Diff line
@@ -2320,6 +2320,7 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) 
	spin_unlock(&ino->i_lock);

	lseg->pls_layout = lo;

	NFS_SERVER(ino)->pnfs_curr_ld->free_lseg(lseg);

	pnfs_free_lseg_list(&free_me);

	return ERR_PTR(-EAGAIN);

}