[Buildroot] [PATCH 3/9] package/mke2img: specifying zero inodes means auto

[Yann E. MORIN]

Currently, leaving the number of inodes to be autocalculated requires
the user to not specify the -i option at all.

Also accept zero as meaning auto; this will help simplify the ext2.mk
code a little bit.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
---
 package/mke2img/mke2img | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/mke2img/mke2img b/package/mke2img/mke2img
index 758b6dee68..266df483aa 100755
--- a/package/mke2img/mke2img
+++ b/package/mke2img/mke2img
@@ -59,7 +59,7 @@ main() {
     esac
 
     # calculate needed inodes
-    if [ -z "${nb_inodes}" ]; then
+    if [ ${nb_inodes:-0} -eq 0 ]; then
         nb_inodes=$(find "${root_dir}" | wc -l)
         nb_inodes=$((nb_inodes+400))
     fi
-- 
2.11.0