mtd: add support for bad blocks in NAND flash

[openwrt.git] / package / system / mtd / src / jffs2.c

diff --git a/package/system/mtd/src/jffs2.c b/package/system/mtd/src/jffs2.c
index 2a83bd47f4aa2ba5422cffae1d37991758468f5e..c29fb33e5cbcd0f338bad4817871f062e94a6ff7 100644 (file)
--- a/package/system/mtd/src/jffs2.c
+++ b/package/system/mtd/src/jffs2.c
@@ -59,6 +59,15 @@ static void pad(int size)
        }
        ofs = ofs % erasesize;
        if (ofs == 0) {
+               while (mtd_block_is_bad(outfd, mtdofs) && (mtdofs < mtdsize)) {
+                       if (!quiet)
+                               fprintf(stderr, "\nSkipping bad block at 0x%08x   ", mtdofs);
+
+                       mtdofs += erasesize;
+
+                       /* Move the file pointer along over the bad block. */
+                       lseek(outfd, erasesize, SEEK_CUR);
+               }
                mtd_erase_block(outfd, mtdofs);
                write(outfd, buf, erasesize);
                mtdofs += erasesize;