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SubjectRe: [BK PATCH] LSM setup changes for 2.5.25
# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.640 -> 1.641
# ipc/sem.c 1.9 -> 1.10
# ipc/shm.c 1.11 -> 1.12
# include/linux/shm.h 1.2 -> 1.3
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/07/15 greg@kroah.com 1.641
# LSM: move struct shmid_kernel out of ipc/shm.c to include/linux/shm.h
#
# Also move where we set sma->sem_perm.mode and .key to before ipc_addid() gets called.
# --------------------------------------------
#
diff -Nru a/include/linux/shm.h b/include/linux/shm.h
--- a/include/linux/shm.h Mon Jul 15 16:50:02 2002
+++ b/include/linux/shm.h Mon Jul 15 16:50:02 2002
@@ -71,6 +71,19 @@
};

#ifdef __KERNEL__
+struct shmid_kernel /* private to the kernel */
+{
+ struct kern_ipc_perm shm_perm;
+ struct file * shm_file;
+ int id;
+ unsigned long shm_nattch;
+ unsigned long shm_segsz;
+ time_t shm_atim;
+ time_t shm_dtim;
+ time_t shm_ctim;
+ pid_t shm_cprid;
+ pid_t shm_lprid;
+};

/* shm_mode upper byte flags */
#define SHM_DEST 01000 /* segment will be destroyed on last detach */
diff -Nru a/ipc/sem.c b/ipc/sem.c
--- a/ipc/sem.c Mon Jul 15 16:50:02 2002
+++ b/ipc/sem.c Mon Jul 15 16:50:02 2002
@@ -129,15 +129,16 @@
return -ENOMEM;
}
memset (sma, 0, size);
+
+ sma->sem_perm.mode = (semflg & S_IRWXUGO);
+ sma->sem_perm.key = key;
+
id = ipc_addid(&sem_ids, &sma->sem_perm, sc_semmni);
if(id == -1) {
ipc_free(sma, size);
return -ENOSPC;
}
used_sems += nsems;
-
- sma->sem_perm.mode = (semflg & S_IRWXUGO);
- sma->sem_perm.key = key;

sma->sem_base = (struct sem *) &sma[1];
/* sma->sem_pending = NULL; */
diff -Nru a/ipc/shm.c b/ipc/shm.c
--- a/ipc/shm.c Mon Jul 15 16:50:02 2002
+++ b/ipc/shm.c Mon Jul 15 16:50:02 2002
@@ -28,20 +28,6 @@

#include "util.h"

-struct shmid_kernel /* private to the kernel */
-{
- struct kern_ipc_perm shm_perm;
- struct file * shm_file;
- int id;
- unsigned long shm_nattch;
- unsigned long shm_segsz;
- time_t shm_atim;
- time_t shm_dtim;
- time_t shm_ctim;
- pid_t shm_cprid;
- pid_t shm_lprid;
-};
-
#define shm_flags shm_perm.mode

static struct file_operations shm_file_operations;
@@ -193,6 +179,10 @@
shp = (struct shmid_kernel *) kmalloc (sizeof (*shp), GFP_USER);
if (!shp)
return -ENOMEM;
+
+ shp->shm_perm.key = key;
+ shp->shm_flags = (shmflg & S_IRWXUGO);
+
sprintf (name, "SYSV%08x", key);
file = shmem_file_setup(name, size);
error = PTR_ERR(file);
@@ -203,8 +193,7 @@
id = shm_addid(shp);
if(id == -1)
goto no_id;
- shp->shm_perm.key = key;
- shp->shm_flags = (shmflg & S_IRWXUGO);
+
shp->shm_cprid = current->pid;
shp->shm_lprid = 0;
shp->shm_atim = shp->shm_dtim = 0;
-
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