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authorHuang Shijie <b32955@freescale.com>2013-09-25 14:58:20 +0800
committerBrian Norris <computersforpeace@gmail.com>2013-10-27 16:27:07 -0700
commite104f1e9dab6726187810f5d9e06cadb946d4a61 (patch)
tree5106e4a58c7e08d08d75ba60d7ad6d242ca827d2
parentf48372465ffdff62a6d75a6f34bc850855fb6470 (diff)
downloadlinux-e104f1e9dab6726187810f5d9e06cadb946d4a61.tar.bz2
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>
-rw-r--r--fs/jffs2/fs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index fe3c0527545f..09b3ed455724 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -515,6 +515,10 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
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");