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NFS: Set key construction data for the legacy upcall

Message ID 1349208098-18997-1-git-send-email-bjschuma@netapp.com (mailing list archive)
State New, archived
Headers show

Commit Message

Bryan Schumaker Oct. 2, 2012, 8:01 p.m. UTC 
From: Bryan Schumaker <bjschuma@netapp.com>

This prevents a null pointer dereference when
nfs_idmap_complete_pipe_upcall_locked() calls complete_request_key().

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
---
 fs/nfs/idmap.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index 675b389c..9cc4a3f 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -707,6 +707,7 @@  static int nfs_idmap_legacy_upcall(struct key_construction *cons,
 	msg = &data->pipe_msg;
 	im = &data->idmap_msg;
 	data->idmap = idmap;
+	data->key_cons = cons;
 
 	ret = nfs_idmap_prepare_message(key->description, idmap, im, msg);
 	if (ret < 0)