[PATCH 03/25] ubifs: pass ubifs_zbranch to read_znode()

From: Sascha Hauer
Date: Wed Jul 04 2018 - 08:42:43 EST


read_znode() takes len, lnum and offs arguments which the caller all
extracts from the same struct ubifs_zbranch *. When adding authentication
support we would have to add a pointer to a hash to the arguments which
is also part of struct ubifs_zbranch. Pass the ubifs_zbranch * instead
so that we do not have to add another argument.

Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/ubifs/tnc_misc.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/fs/ubifs/tnc_misc.c b/fs/ubifs/tnc_misc.c
index 93f5b7859e6f..7e18d459906c 100644
--- a/fs/ubifs/tnc_misc.c
+++ b/fs/ubifs/tnc_misc.c
@@ -259,9 +259,7 @@ long ubifs_destroy_tnc_subtree(struct ubifs_znode *znode)
/**
* read_znode - read an indexing node from flash and fill znode.
* @c: UBIFS file-system description object
- * @lnum: LEB of the indexing node to read
- * @offs: node offset
- * @len: node length
+ * @zbr: the zbranch describing the node to read
* @znode: znode to read to
*
* This function reads an indexing node from the flash media and fills znode
@@ -270,9 +268,12 @@ long ubifs_destroy_tnc_subtree(struct ubifs_znode *znode)
* is wrong with it, this function prints complaint messages and returns
* %-EINVAL.
*/
-static int read_znode(struct ubifs_info *c, int lnum, int offs, int len,
+static int read_znode(struct ubifs_info *c, struct ubifs_zbranch *zzbr,
struct ubifs_znode *znode)
{
+ int lnum = zzbr->lnum;
+ int offs = zzbr->offs;
+ int len = zzbr->len;
int i, err, type, cmp;
struct ubifs_idx_node *idx;

@@ -419,7 +420,7 @@ struct ubifs_znode *ubifs_load_znode(struct ubifs_info *c,
if (!znode)
return ERR_PTR(-ENOMEM);

- err = read_znode(c, zbr->lnum, zbr->offs, zbr->len, znode);
+ err = read_znode(c, zbr, znode);
if (err)
goto out;

--
2.18.0