patch-2.4.10 linux/ipc/shm.c

• Lines: 12
• Date: Fri Sep 14 14:17:38 2001
• Orig file: v2.4.9/linux/ipc/shm.c
• Orig date: Sat May 19 17:47:55 2001

diff -u --recursive --new-file v2.4.9/linux/ipc/shm.c linux/ipc/shm.c
@@ -606,6 +606,11 @@
 	shp = shm_lock(shmid);
 	if(shp == NULL)
 		return -EINVAL;
+	err = shm_checkid(shp,shmid);
+	if (err) {
+		shm_unlock(shmid);
+		return err;
+	}
 	if (ipcperms(&shp->shm_perm, acc_mode)) {
 		shm_unlock(shmid);
 		return -EACCES;