[PATCH] Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)) - generated by Coccinelle

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This patch was generated using the Coccinelle scripts and btrfs
code in v2.6.36-9657-g7a3f8fe.

 Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

 The semantic patch that makes this change is available
 in scripts/coccinelle/api/err_cast.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

Signed-off-by: Chris Samuel <chris@xxxxxxxxxxx>


diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 454ca52..23cb8da 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -335,7 +335,7 @@ struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,
 		goto out;
 	}
 	if (IS_ERR(rb_node)) {
-		em = ERR_PTR(PTR_ERR(rb_node));
+		em = ERR_CAST(rb_node);
 		goto out;
 	}
 	em = rb_entry(rb_node, struct extent_map, rb_node);
@@ -384,7 +384,7 @@ struct extent_map *search_extent_mapping(struct extent_map_tree *tree,
 		goto out;
 	}
 	if (IS_ERR(rb_node)) {
-		em = ERR_PTR(PTR_ERR(rb_node));
+		em = ERR_CAST(rb_node);
 		goto out;
 	}
 	em = rb_entry(rb_node, struct extent_map, rb_node);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index ebe46c6..1bc7a0a 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -380,7 +380,7 @@ static struct dentry *get_default_root(struct super_block *sb,
 find_root:
 	new_root = btrfs_read_fs_root_no_name(root->fs_info, &location);
 	if (IS_ERR(new_root))
-		return ERR_PTR(PTR_ERR(new_root));
+		return ERR_CAST(new_root);
 
 	if (btrfs_root_refs(&new_root->root_item) == 0)
 		return ERR_PTR(-ENOENT);



-- 
 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC

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