rootfs_rpm.bbclass: fix the unexpected postinst error

If the /etc/rpm-postinsts/ directory was empty, the following error
would occur at system startup.

      ERROR: postinst /etc/rpm-postinsts/* failed

This patch fixes this issue.

[YOCTO #3767]

(From OE-Core rev: 202263aeca837dc7b6615a3dc34569c199163733)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/meta/classes/rootfs_rpm.bbclass b/meta/classes/rootfs_rpm.bbclass
index 7d789cc8fd..accd7d9c3c 100644
--- a/meta/classes/rootfs_rpm.bbclass
+++ b/meta/classes/rootfs_rpm.bbclass
@@ -108,7 +108,8 @@ fakeroot rootfs_rpm_do_rootfs () {
         i=\$i
         cat > ${IMAGE_ROOTFS}${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts << EOF
 #!/bin/sh
-for i in /etc/rpm-postinsts/*; do
+for i in `ls /etc/rpm-postinsts/`; do
+        i=/etc/rpm-postinsts/$i
         echo "Running postinst $i..."
         if [ -f $i ] && $i; then
                 rm $i