fdisk: fix default first sector

The previous release 2.17 introduces aligned defaults for the first
and last sectors on the partition. Unfortunately, there is endless
loop when the code looks for first unused aligned sector.

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/fdisk/fdisk.c b/fdisk/fdisk.c
index dc5dfb9d..ddfd24d1 100644
--- a/fdisk/fdisk.c
+++ b/fdisk/fdisk.c
@@ -2309,17 +2309,16 @@ add_partition(int n, int sys) {
 
 	snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
 	do {
-		unsigned long long dflt, dflt_tmp;
+		unsigned long long dflt, aligned;
 
 		temp = start;
-
 		dflt = start = get_unused_start(n, start, first, last);
 
 		/* the default sector should be aligned and unused */
 		do {
-			dflt_tmp = align_lba_in_range(dflt, start, limit);
-			dflt = get_unused_start(n, dflt_tmp, first, last);
-		} while (dflt != dflt_tmp && dflt > dflt_tmp && dflt < limit);
+			aligned = align_lba_in_range(dflt, dflt, limit);
+			dflt = get_unused_start(n, aligned, first, last);
+		} while (dflt != aligned && dflt > aligned && dflt < limit);
 
 		if (dflt >= limit)
 			dflt = start;