jffs2: do not support the MLC nand
We should not support the MLC nand for jffs2. So if the nand type is
MLC, we quit immediatly.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index fe3c052..09b3ed4 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -515,6 +515,10 @@
c = JFFS2_SB_INFO(sb);
+ /* Do not support the MLC nand */
+ if (c->mtd->type == MTD_MLCNANDFLASH)
+ return -EINVAL;
+
#ifndef CONFIG_JFFS2_FS_WRITEBUFFER
if (c->mtd->type == MTD_NANDFLASH) {
pr_err("Cannot operate on NAND flash unless jffs2 NAND support is compiled in\n");