From: Karel Zak <kzak@redhat.com>
Date: Mon, 8 Jun 2015 14:02:17 +0000 (+0200)
Subject: libfdisk: (gpt) make it possible to create really small partitions
X-Git-Tag: v2.27-rc1~159
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=765004f3eb95f21b578795ecf8831225a6dcd95a;p=thirdparty%2Futil-linux.git

libfdisk: (gpt) make it possible to create really small partitions

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

diff --git a/disk-utils/fdisk.c b/disk-utils/fdisk.c
index a4130afb9e..63eacad4f1 100644
--- a/disk-utils/fdisk.c
+++ b/disk-utils/fdisk.c
@@ -311,7 +311,7 @@ static int ask_offset(struct fdisk_context *cxt,
 				num, sig, pwr,
 				sig ? "relative" : "absolute"));
 		if (num >= low && num <= high) {
-			if (sig && pwr)
+			if (sig)
 				fdisk_ask_number_set_relative(ask, 1);
 			return fdisk_ask_number_set_result(ask, num);
 		}
diff --git a/libfdisk/src/gpt.c b/libfdisk/src/gpt.c
index 3db81bedfb..e3b86cb1f2 100644
--- a/libfdisk/src/gpt.c
+++ b/libfdisk/src/gpt.c
@@ -2162,7 +2162,10 @@ static int gpt_add_partition(
 
 			user_l = fdisk_ask_number_get_result(ask);
 			if (fdisk_ask_number_is_relative(ask)) {
-				user_l = fdisk_align_lba_in_range(cxt, user_l, user_f, dflt_l) - 1;
+
+				user_l = fdisk_align_lba_in_range(cxt, user_l, user_f, dflt_l);
+				if (user_l > user_f)
+					user_l -= 1;
 
 				/* no space for anything useful, use all space
 				if (user_l + (cxt->grain / cxt->sector_size) > dflt_l)
@@ -2170,7 +2173,7 @@ static int gpt_add_partition(
 				*/
 			}
 
-			if (user_l > user_f && user_l <= disk_l)
+			if (user_l >= user_f && user_l <= disk_l)
 				break;
 		}
 	}