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

["Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>]

Quoting Oren Laadan (orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org):
> 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-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>

Tested-by: Serge Hallyn <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

> ---
>  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