X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=init%2Fdo_mounts_rd.c;h=887629e24c54a5065aa0ee9aca16bbe5d0becc66;hb=1ba9ac7c35b30d6b958a30240e21ddaea8d21b35;hp=fe9acb0ae4808bd663187d802960d788f73276c1;hpb=fa514fbc57419505d0e9423dbb8742f2775f882e;p=~andy%2Flinux

diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index fe9acb0ae48..887629e24c5 100644
--- 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
 	 */