[PATCH 6/7] configure: Check mkdir result directly, not via $?

[Peter Maydell]

Shellcheck warns that we have one place where we run a command and
then check if it failed using $?; this is better written to simply
check the command in the 'if' statement directly.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 configure | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/configure b/configure
index 5c1992d5bce..f8d7270a60e 100755
--- a/configure
+++ b/configure
@@ -67,8 +67,7 @@ fi
 # it when configure exits.)
 TMPDIR1="config-temp"
 rm -rf "${TMPDIR1}"
-mkdir -p "${TMPDIR1}"
-if [ $? -ne 0 ]; then
+if ! mkdir -p "${TMPDIR1}"; then
     echo "ERROR: failed to create temporary directory"
     exit 1
 fi
-- 
2.25.1