nfsd: fix net-namespace logic in __nfsd_file_cache_purge
[ Upstream commit d3aefd2b29ff5ffdeb5c06a7d3191a027a18cdb8 ] If the namespace doesn't match the one in "net", then we'll continue, but that doesn't cause another rhashtable_walk_next call, so it will loop infinitely. Fixes: ce502f81ba88 ("NFSD: Convert the filecache to use rhashtable") Reported-by: Petr Vorel <pvorel@suse.cz> Link: https://lore.kernel.org/ltp/Y1%2FP8gDAcWC%2F+VR3@pevik/ Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 2 additions and 3 deletions
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@ -892,9 +892,8 @@ __nfsd_file_cache_purge(struct net *net)
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nf = rhashtable_walk_next(&iter);
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while (!IS_ERR_OR_NULL(nf)) {
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if (net && nf->nf_net != net)
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continue;
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nfsd_file_unhash_and_dispose(nf, &dispose);
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if (!net || nf->nf_net == net)
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nfsd_file_unhash_and_dispose(nf, &dispose);
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nf = rhashtable_walk_next(&iter);
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}
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