Patch name: dm-exstore-persistent-minor-code-cleanup.patch
Minor code touch-up. We don't need the 'else'.
Signed-off-by: Jonathan Brassow <jbrassow@xxxxxxxxxx>
Reviewed-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Reviewed-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Index: linux-2.6/drivers/md/dm-snap-persistent.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-snap-persistent.c
+++ linux-2.6/drivers/md/dm-snap-persistent.c
@@ -552,35 +552,31 @@ static int persistent_read_metadata(stru
ps->current_area = 0;
zero_memory_area(ps);
r = zero_disk_area(ps, 0);
- if (r) {
- DMWARN("zero_disk_area(0) failed");
- return r;
- }
- } else {
- /*
- * Sanity checks.
- */
- if (ps->version != SNAPSHOT_DISK_VERSION) {
- DMWARN("unable to handle snapshot disk version %d",
- ps->version);
- return -EINVAL;
- }
-
- /*
- * Metadata are valid, but snapshot is invalidated
- */
- if (!ps->valid)
- return 1;
-
- /*
- * Read the metadata.
- */
- r = read_exceptions(ps, callback, callback_context);
if (r)
- return r;
+ DMWARN("zero_disk_area(0) failed");
+ return r;
+ }
+ /*
+ * Sanity checks.
+ */
+ if (ps->version != SNAPSHOT_DISK_VERSION) {
+ DMWARN("unable to handle snapshot disk version %d",
+ ps->version);
+ return -EINVAL;
}
- return 0;
+ /*
+ * Metadata are valid, but snapshot is invalidated
+ */
+ if (!ps->valid)
+ return 1;
+
+ /*
+ * Read the metadata.
+ */
+ r = read_exceptions(ps, callback, callback_context);
+
+ return r;
}
static int persistent_prepare_exception(struct dm_exception_store *store,
--
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