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Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6

* 'linux-next' of git://git.infradead.org/ubi-2.6:
  UBI: fix memory leak in update path
  UBI: add more checks to chdev open
  UBI: initialise update marker
Linus Torvalds 15 жил өмнө
parent
commit
a8d0b6666e

+ 7 - 8
drivers/mtd/ubi/kapi.c

@@ -291,8 +291,7 @@ EXPORT_SYMBOL_GPL(ubi_open_volume_nm);
  */
  */
 struct ubi_volume_desc *ubi_open_volume_path(const char *pathname, int mode)
 struct ubi_volume_desc *ubi_open_volume_path(const char *pathname, int mode)
 {
 {
-	int error, ubi_num, vol_id;
-	struct ubi_volume_desc *ret;
+	int error, ubi_num, vol_id, mod;
 	struct inode *inode;
 	struct inode *inode;
 	struct path path;
 	struct path path;
 
 
@@ -306,16 +305,16 @@ struct ubi_volume_desc *ubi_open_volume_path(const char *pathname, int mode)
 		return ERR_PTR(error);
 		return ERR_PTR(error);
 
 
 	inode = path.dentry->d_inode;
 	inode = path.dentry->d_inode;
+	mod = inode->i_mode;
 	ubi_num = ubi_major2num(imajor(inode));
 	ubi_num = ubi_major2num(imajor(inode));
 	vol_id = iminor(inode) - 1;
 	vol_id = iminor(inode) - 1;
+	path_put(&path);
 
 
+	if (!S_ISCHR(mod))
+		return ERR_PTR(-EINVAL);
 	if (vol_id >= 0 && ubi_num >= 0)
 	if (vol_id >= 0 && ubi_num >= 0)
-		ret = ubi_open_volume(ubi_num, vol_id, mode);
-	else
-		ret = ERR_PTR(-ENODEV);
-
-	path_put(&path);
-	return ret;
+		return ubi_open_volume(ubi_num, vol_id, mode);
+	return ERR_PTR(-ENODEV);
 }
 }
 EXPORT_SYMBOL_GPL(ubi_open_volume_path);
 EXPORT_SYMBOL_GPL(ubi_open_volume_path);
 
 

+ 1 - 0
drivers/mtd/ubi/upd.c

@@ -155,6 +155,7 @@ int ubi_start_update(struct ubi_device *ubi, struct ubi_volume *vol,
 		if (err)
 		if (err)
 			return err;
 			return err;
 		vol->updating = 0;
 		vol->updating = 0;
+		return 0;
 	}
 	}
 
 
 	vol->upd_buf = vmalloc(ubi->leb_size);
 	vol->upd_buf = vmalloc(ubi->leb_size);

+ 1 - 0
drivers/mtd/ubi/vtbl.c

@@ -566,6 +566,7 @@ static int init_volumes(struct ubi_device *ubi, const struct ubi_scan_info *si,
 		vol->reserved_pebs = be32_to_cpu(vtbl[i].reserved_pebs);
 		vol->reserved_pebs = be32_to_cpu(vtbl[i].reserved_pebs);
 		vol->alignment = be32_to_cpu(vtbl[i].alignment);
 		vol->alignment = be32_to_cpu(vtbl[i].alignment);
 		vol->data_pad = be32_to_cpu(vtbl[i].data_pad);
 		vol->data_pad = be32_to_cpu(vtbl[i].data_pad);
+		vol->upd_marker = vtbl[i].upd_marker;
 		vol->vol_type = vtbl[i].vol_type == UBI_VID_DYNAMIC ?
 		vol->vol_type = vtbl[i].vol_type == UBI_VID_DYNAMIC ?
 					UBI_DYNAMIC_VOLUME : UBI_STATIC_VOLUME;
 					UBI_DYNAMIC_VOLUME : UBI_STATIC_VOLUME;
 		vol->name_len = be16_to_cpu(vtbl[i].name_len);
 		vol->name_len = be16_to_cpu(vtbl[i].name_len);