[PATCH] c/r: fix regression (in "fix scheduling in atomic while restoring ipc shm")

[Oren Laadan]

So... here's a simple fix to a silly regression - this should bring
an end to my little fiasco. 

Signed-off-by: Oren Laadan <orenl at cs.columbia.edu>
---
 ipc/checkpoint_msg.c |    2 +-
 ipc/checkpoint_sem.c |    2 +-
 ipc/checkpoint_shm.c |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/ipc/checkpoint_msg.c b/ipc/checkpoint_msg.c
index 073a893..0155c20 100644
--- a/ipc/checkpoint_msg.c
+++ b/ipc/checkpoint_msg.c
@@ -359,7 +359,7 @@ int restore_ipc_msg(struct ckpt_ctx *ctx, struct ipc_namespace *ns)
 	 * ipc-ns, we will need to re-examine this.
 	 */
 
-	ipc = idr_find(&msg_ids->ipcs_idr, h->perms.id);
+	ipc = idr_find(&msg_ids->ipcs_idr, ipcid_to_idx(h->perms.id));
 	BUG_ON(!ipc);
 
 	msq = container_of(ipc, struct msg_queue, q_perm);
diff --git a/ipc/checkpoint_sem.c b/ipc/checkpoint_sem.c
index 78c1932..2abfb5a 100644
--- a/ipc/checkpoint_sem.c
+++ b/ipc/checkpoint_sem.c
@@ -216,7 +216,7 @@ int restore_ipc_sem(struct ckpt_ctx *ctx, struct ipc_namespace *ns)
 	 * ipc-ns, we will need to re-examine this.
 	 */
 
-	ipc = idr_find(&sem_ids->ipcs_idr, h->perms.id);
+	ipc = idr_find(&sem_ids->ipcs_idr, ipcid_to_idx(h->perms.id));
 	BUG_ON(!ipc);
 
 	sem = container_of(ipc, struct sem_array, sem_perm);
diff --git a/ipc/checkpoint_shm.c b/ipc/checkpoint_shm.c
index 6329245..a07c051 100644
--- a/ipc/checkpoint_shm.c
+++ b/ipc/checkpoint_shm.c
@@ -270,7 +270,7 @@ int restore_ipc_shm(struct ckpt_ctx *ctx, struct ipc_namespace *ns)
 	 * ipc-ns, we will need to re-examine this.
 	 */
 
-	ipc = idr_find(&shm_ids->ipcs_idr, h->perms.id);
+	ipc = idr_find(&shm_ids->ipcs_idr, ipcid_to_idx(h->perms.id));
 	BUG_ON(!ipc);
 
 	shp = container_of(ipc, struct shmid_kernel, shm_perm);
-- 
1.6.3.3