From: "Roy.Li" <rongqing...@windriver.com>

qemu prints errors sometime, but it works well, the error information
can be captured by rpm, and lead to rpm failure. like:

        $export D=/tmp/rootfs;.../usr/bin/qemu-i386 -L $D \
                -E LD_LIBRARY_PATH=$D/usr/lib:$D/lib $D/bin/udevadm hwdb 
--update --root $D
        qemu: Unsupported syscall: 240
        $echo $?
        $ 0

Signed-off-by: Roy.Li <rongqing...@windriver.com>
---
 meta/recipes-core/systemd/systemd_204.bb |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/systemd/systemd_204.bb 
b/meta/recipes-core/systemd/systemd_204.bb
index b8b1290..10bde33 100644
--- a/meta/recipes-core/systemd/systemd_204.bb
+++ b/meta/recipes-core/systemd/systemd_204.bb
@@ -277,7 +277,9 @@ ALTERNATIVE_PRIORITY[poweroff] ?= "300"
 pkg_postinst_udev-hwdb () {
        if test -n "$D"; then
                ${@qemu_run_binary(d, '$D', '${base_bindir}/udevadm')} hwdb 
--update \
-                       --root $D
+                       --root $D 2>/dev/null
+
+               [ $? -ne 0 ] && exit 1
        else
                udevadm hwdb --update
        fi
-- 
1.7.10.4

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