Merge branch 'stable-3.2' into pandora-3.2

[pandora-kernel.git] / init / do_mounts_rd.c

diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index fe9acb0..887629e 100644 (file)
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -119,6 +119,20 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor)
                goto done;
        }
 
+       /*
+        * Read 512 bytes further to check if cramfs is padded
+        */
+       sys_lseek(fd, start_block * BLOCK_SIZE + 0x200, 0);
+       sys_read(fd, buf, size);
+
+       if (cramfsb->magic == CRAMFS_MAGIC) {
+               printk(KERN_NOTICE
+                      "RAMDISK: cramfs filesystem found at block %d\n",
+                      start_block);
+               nblocks = (cramfsb->size + BLOCK_SIZE - 1) >> BLOCK_SIZE_BITS;
+               goto done;
+       }
+
        /*
         * Read block 1 to test for minix and ext2 superblock
         */