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-rw-r--r--common/cmd_nand.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 158a55f..f9e63eb 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -296,9 +296,19 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
if (strcmp(cmd, "bad") == 0) {
printf("\nDevice %d bad blocks:\n", nand_curr_device);
- for (off = 0; off < nand->size; off += nand->erasesize)
+ for (off = 0; off < nand->size; off += nand->erasesize) {
if (nand_block_isbad(nand, off))
printf(" %08lx\n", off);
+ /*
+ *FIXME: currently, uboot cmd_nand does not
+ * support 64bit address space. It will make
+ * the for loop the infinit loop due to off is
+ * 32bit width with ulong definiton on arm gcc.
+ * Break the for loop when off overflow.
+ */
+ if (off > off + nand->erasesize)
+ break;
+ }
return 0;
}