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authorJ. Bruce Fields <bfields@citi.umich.edu>2008-05-05 23:47:29 (GMT)
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-05-18 23:13:07 (GMT)
commit88dd0be3874566796fa4ffbdf927a53c4a6a2f4b (patch)
tree29cb36a8d21d274e5a7dbd11ec69da225d328c65
parentb8291ad07a7f3b5b990900f0001198ac23ba893e (diff)
downloadlinux-88dd0be3874566796fa4ffbdf927a53c4a6a2f4b.tar.xz
nfsd: reorder printk in do_probe_callback to avoid use-after-free
We're currently dereferencing the client after we drop our reference count to it. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
-rw-r--r--fs/nfsd/nfs4callback.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 0b3ffa9..4d4760e 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -419,9 +419,9 @@ static int do_probe_callback(void *data)
out_release_client:
rpc_shutdown_client(client);
out_err:
- put_nfs4_client(clp);
dprintk("NFSD: warning: no callback path to client %.*s\n",
(int)clp->cl_name.len, clp->cl_name.data);
+ put_nfs4_client(clp);
return status;
}