master - cleanup: older gcc is not smart enough

[Zdenek Kabelac]

Gitweb:        http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=a62cea3371cfac10f...
Commit:        a62cea3371cfac10f74a135b1969120e10f48f60
Parent:        d7065f154e497ffe26006bf47b533b23383a8810
Author:        Zdenek Kabelac 
AuthorDate:    Fri Jul 11 13:47:50 2014 +0200
Committer:     Zdenek Kabelac 
CommitterDate: Fri Jul 11 13:52:30 2014 +0200

cleanup: older gcc is not smart enough

Avoid gcc warning about uninitialized 'seg' variable.
It's not easy for older gcc compiler to deduce it's been set.
---
 tools/lvconvert.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/lvconvert.c b/tools/lvconvert.c
index ff32f76..3a5f129 100644
--- a/tools/lvconvert.c
+++ b/tools/lvconvert.c
@@ -2958,7 +2958,7 @@ static int _lvconvert_pool(struct cmd_context *cmd,
    	/* Swap normal LV with pool's metadata LV ? */
    	if (lv_is_pool(pool_lv)) {
    		/* Swap names between old and new metadata LV */
-			if (!detach_pool_metadata_lv(seg, &pool_metadata_lv))
+			if (!detach_pool_metadata_lv(first_seg(pool_lv), &pool_metadata_lv))
    			return_0;
    		old_name = metadata_lv->name;
    		if (!lv_rename_update(cmd, metadata_lv, "pvmove_tmeta", 0))