--- drivers/mtd/nand/nand_util.c_orig	2008-01-14 21:13:10.000000000 +0100
+++ drivers/mtd/nand/nand_util.c	2008-01-14 21:46:53.000000000 +0100
@@ -153,6 +153,13 @@ int nand_erase_opts(nand_info_t *meminfo
 		priv_nand->bbt = NULL;
 	}
 
+	if(erase_length < meminfo->erasesize) {
+		printf("Warning: Erase size 0x%08x smaller than one " \
+		       "erase block 0x%08x\n",erase_length, meminfo->erasesize);
+		printf("         Erasing 0x%08x instead\n", meminfo->erasesize);
+		erase_length = meminfo->erasesize;
+	}
+
 	for (;
 	     erase.addr < opts->offset + erase_length;
 	     erase.addr += meminfo->erasesize) {