patch-2.3.40 linux/drivers/block/raid0.c

• Lines: 13
• Date: Thu Jan 20 10:44:46 2000
• Orig file: v2.3.39/linux/drivers/block/raid0.c
• Orig date: Fri May 8 00:17:13 1998

diff -u --recursive --new-file v2.3.39/linux/drivers/block/raid0.c linux/drivers/block/raid0.c
@@ -182,6 +182,12 @@
   block=*rsector >> 1;
   hash=data->hash_table+(block/data->smallest->size);
 
+  if (hash - data->hash_table > data->nr_zones) 
+  { 
+	  printk(KERN_DEBUG "raid0_map: invalid block %ul\n", block);
+	  return -1;
+  }
+
   /* Sanity check */
   if ((chunk_size*2)<(*rsector % (chunk_size*2))+size)
   {