Merge branch 'master' into for_paulus

[linux-drm-fsl-dcu.git] / fs / jffs2 / super.c

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 7deb7825402156fcd5f04d47b518452df2945a7f..cc7e8e71ad467c77f326942179c2587b0a125a7f 100644 (file)
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/fs.h>
+#include <linux/err.h>
 #include <linux/mount.h>
 #include <linux/jffs2.h>
 #include <linux/pagemap.h>
@@ -65,7 +66,7 @@ static int jffs2_sync_fs(struct super_block *sb, int wait)
        return 0;
 }
 
-static struct super_operations jffs2_super_operations =
+static const struct super_operations jffs2_super_operations =
 {
        .alloc_inode =  jffs2_alloc_inode,
        .destroy_inode =jffs2_destroy_inode,
@@ -184,9 +185,9 @@ static int jffs2_get_sb_mtdnr(struct file_system_type *fs_type,
        struct mtd_info *mtd;
 
        mtd = get_mtd_device(NULL, mtdnr);
-       if (!mtd) {
+       if (IS_ERR(mtd)) {
                D1(printk(KERN_DEBUG "jffs2: MTD device #%u doesn't appear to exist\n", mtdnr));
-               return -EINVAL;
+               return PTR_ERR(mtd);
        }
 
        return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt);
@@ -221,7 +222,7 @@ static int jffs2_get_sb(struct file_system_type *fs_type,
                        D1(printk(KERN_DEBUG "jffs2_get_sb(): mtd:%%s, name \"%s\"\n", dev_name+4));
                        for (mtdnr = 0; mtdnr < MAX_MTD_DEVICES; mtdnr++) {
                                mtd = get_mtd_device(NULL, mtdnr);
-                               if (mtd) {
+                               if (!IS_ERR(mtd)) {
                                        if (!strcmp(mtd->name, dev_name+4))
                                                return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt);
                                        put_mtd_device(mtd);