UBIFS: remove useless @ecc in struct ubifs_scan_leb
We set @ecc in ubifs_scan_leb only if leb_read returns EBADMSG and
do not use it any more. This patch removes this variable and adds
comments about EBADMSG handling.
Artem: re-phrase commentaries
Signed-off-by: hujianyang <hujianyang@huawei.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c
index 58aa05d..e5b7c59 100644
--- a/fs/ubifs/scan.c
+++ b/fs/ubifs/scan.c
@@ -157,9 +157,10 @@
return ERR_PTR(err);
}
- if (err == -EBADMSG)
- sleb->ecc = 1;
-
+ /*
+ * Note, we ignore integrity errors (EBASMSG) because all the nodes are
+ * protected by CRC checksums.
+ */
return sleb;
}
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index c1f71fe..977a01b 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -314,7 +314,6 @@
* @nodes_cnt: number of nodes scanned
* @nodes: list of struct ubifs_scan_node
* @endpt: end point (and therefore the start of empty space)
- * @ecc: read returned -EBADMSG
* @buf: buffer containing entire LEB scanned
*/
struct ubifs_scan_leb {
@@ -322,7 +321,6 @@
int nodes_cnt;
struct list_head nodes;
int endpt;
- int ecc;
void *buf;
};