[PATCH] atmel_serial: Fix roundoff error in atmel_console_get_options
[pandora-kernel.git] / fs / jffs2 / super.c
index 9d05214..6de3745 100644 (file)
@@ -11,7 +11,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -111,29 +110,30 @@ static int jffs2_sb_set(struct super_block *sb, void *data)
        return 0;
 }
 
-static struct super_block *jffs2_get_sb_mtd(struct file_system_type *fs_type,
-                                             int flags, const char *dev_name,
-                                             void *data, struct mtd_info *mtd)
+static int jffs2_get_sb_mtd(struct file_system_type *fs_type,
+                           int flags, const char *dev_name,
+                           void *data, struct mtd_info *mtd,
+                           struct vfsmount *mnt)
 {
        struct super_block *sb;
        struct jffs2_sb_info *c;
        int ret;
 
-       c = kmalloc(sizeof(*c), GFP_KERNEL);
+       c = kzalloc(sizeof(*c), GFP_KERNEL);
        if (!c)
-               return ERR_PTR(-ENOMEM);
-       memset(c, 0, sizeof(*c));
+               return -ENOMEM;
        c->mtd = mtd;
 
        sb = sget(fs_type, jffs2_sb_compare, jffs2_sb_set, c);
 
        if (IS_ERR(sb))
-               goto out_put;
+               goto out_error;
 
        if (sb->s_root) {
                /* New mountpoint for JFFS2 which is already mounted */
                D1(printk(KERN_DEBUG "jffs2_get_sb_mtd(): Device %d (\"%s\") is already mounted\n",
                          mtd->index, mtd->name));
+               ret = simple_set_mnt(mnt, sb);
                goto out_put;
        }
 
@@ -161,44 +161,47 @@ static struct super_block *jffs2_get_sb_mtd(struct file_system_type *fs_type,
                /* Failure case... */
                up_write(&sb->s_umount);
                deactivate_super(sb);
-               return ERR_PTR(ret);
+               return ret;
        }
 
        sb->s_flags |= MS_ACTIVE;
-       return sb;
+       return simple_set_mnt(mnt, sb);
 
+out_error:
+       ret = PTR_ERR(sb);
  out_put:
        kfree(c);
        put_mtd_device(mtd);
 
-       return sb;
+       return ret;
 }
 
-static struct super_block *jffs2_get_sb_mtdnr(struct file_system_type *fs_type,
-                                             int flags, const char *dev_name,
-                                             void *data, int mtdnr)
+static int jffs2_get_sb_mtdnr(struct file_system_type *fs_type,
+                             int flags, const char *dev_name,
+                             void *data, int mtdnr,
+                             struct vfsmount *mnt)
 {
        struct mtd_info *mtd;
 
        mtd = get_mtd_device(NULL, mtdnr);
        if (!mtd) {
                D1(printk(KERN_DEBUG "jffs2: MTD device #%u doesn't appear to exist\n", mtdnr));
-               return ERR_PTR(-EINVAL);
+               return -EINVAL;
        }
 
-       return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd);
+       return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt);
 }
 
-static struct super_block *jffs2_get_sb(struct file_system_type *fs_type,
-                                       int flags, const char *dev_name,
-                                       void *data)
+static int jffs2_get_sb(struct file_system_type *fs_type,
+                       int flags, const char *dev_name,
+                       void *data, struct vfsmount *mnt)
 {
        int err;
        struct nameidata nd;
        int mtdnr;
 
        if (!dev_name)
-               return ERR_PTR(-EINVAL);
+               return -EINVAL;
 
        D1(printk(KERN_DEBUG "jffs2_get_sb(): dev_name \"%s\"\n", dev_name));
 
@@ -220,7 +223,7 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type,
                                mtd = get_mtd_device(NULL, mtdnr);
                                if (mtd) {
                                        if (!strcmp(mtd->name, dev_name+4))
-                                               return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd);
+                                               return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt);
                                        put_mtd_device(mtd);
                                }
                        }
@@ -233,7 +236,7 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type,
                        if (!*endptr) {
                                /* It was a valid number */
                                D1(printk(KERN_DEBUG "jffs2_get_sb(): mtd%%d, mtdnr %d\n", mtdnr));
-                               return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr);
+                               return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr, mnt);
                        }
                }
        }
@@ -247,7 +250,7 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type,
                  err, nd.dentry->d_inode));
 
        if (err)
-               return ERR_PTR(err);
+               return err;
 
        err = -EINVAL;
 
@@ -269,11 +272,11 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type,
        mtdnr = iminor(nd.dentry->d_inode);
        path_release(&nd);
 
-       return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr);
+       return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr, mnt);
 
 out:
        path_release(&nd);
-       return ERR_PTR(err);
+       return err;
 }
 
 static void jffs2_put_super (struct super_block *sb)