tools: imx8m_image: fix warning message

When a firmware file is missing the warning message doesn't indicate the
firmware file name because '$tmp' var doesn't exist.
Fix the warning message and while at it reduce the if/else statement.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>

diff --git a/tools/imx8m_image.sh b/tools/imx8m_image.sh
index 4959f9c..ba60104 100755 (executable)
--- a/tools/imx8m_image.sh
+++ b/tools/imx8m_image.sh
@@ -14,10 +14,8 @@ for f in $blobs; do
                continue
        fi
 
-       if [ -f $f ]; then
-               continue
-       else
-               echo "WARNING '$tmp' not found, resulting binary is not-functional" >&2
+       if [ ! -f $f ]; then
+               echo "WARNING '$f' not found, resulting binary is not-functional" >&2
                exit 1
        fi
 done