[PATCH 5/7] linux-dtb.inc: explicit test for empty string not needed

[Stefan Christ <s.christ@phytec.de>]

The for loop already handles the case when KERNEL_DEVICETREE is empty.

Signed-off-by: Stefan Christ <s.christ@phytec.de>
---
 meta/recipes-kernel/linux/linux-dtb.inc | 78 +++++++++++++++------------------
 1 file changed, 36 insertions(+), 42 deletions(-)

diff --git a/meta/recipes-kernel/linux/linux-dtb.inc b/meta/recipes-kernel/linux/linux-dtb.inc
index f44851a..5bfd33b 100644
--- a/meta/recipes-kernel/linux/linux-dtb.inc
+++ b/meta/recipes-kernel/linux/linux-dtb.inc
@@ -6,54 +6,48 @@ python __anonymous () {
 }
 
 do_compile_append() {
-	if test -n "${KERNEL_DEVICETREE}"; then
-		for DTB in ${KERNEL_DEVICETREE}; do
-			if echo ${DTB} | grep -q '\.dts$'; then
-				bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
-				DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
-			fi
-			oe_runmake ${DTB}
-		done
-	fi
+	for DTB in ${KERNEL_DEVICETREE}; do
+		if echo ${DTB} | grep -q '\.dts$'; then
+			bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
+			DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
+		fi
+		oe_runmake ${DTB}
+	done
 }
 
 do_install_append() {
-	if test -n "${KERNEL_DEVICETREE}"; then
-		for DTB in ${KERNEL_DEVICETREE}; do
-			if echo ${DTB} | grep -q '\.dts$'; then
-				bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
-				DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
-			fi
-			DTB_BASE_NAME=`basename ${DTB} .dtb`
-			DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
-			DTB_PATH="${B}/arch/${ARCH}/boot/dts/${DTB}"
-			if [ ! -e "${DTB_PATH}" ]; then
-				DTB_PATH="${B}/arch/${ARCH}/boot/${DTB}"
-			fi
-			install -m 0644 ${DTB_PATH} ${D}/${KERNEL_IMAGEDEST}/devicetree-${DTB_SYMLINK_NAME}.dtb
-		done
-	fi
+	for DTB in ${KERNEL_DEVICETREE}; do
+		if echo ${DTB} | grep -q '\.dts$'; then
+			bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
+			DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
+		fi
+		DTB_BASE_NAME=`basename ${DTB} .dtb`
+		DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+		DTB_PATH="${B}/arch/${ARCH}/boot/dts/${DTB}"
+		if [ ! -e "${DTB_PATH}" ]; then
+			DTB_PATH="${B}/arch/${ARCH}/boot/${DTB}"
+		fi
+		install -m 0644 ${DTB_PATH} ${D}/${KERNEL_IMAGEDEST}/devicetree-${DTB_SYMLINK_NAME}.dtb
+	done
 }
 
 do_deploy_append() {
-	if test -n "${KERNEL_DEVICETREE}"; then
-		for DTB in ${KERNEL_DEVICETREE}; do
-			if echo ${DTB} | grep -q '\.dts$'; then
-				bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
-				DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
-			fi
-			DTB_BASE_NAME=`basename ${DTB} .dtb`
-			DTB_NAME=`echo ${KERNEL_IMAGE_BASE_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
-			DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
-			DTB_PATH="${B}/arch/${ARCH}/boot/dts/${DTB}"
-			if [ ! -e "${DTB_PATH}" ]; then
-				DTB_PATH="${B}/arch/${ARCH}/boot/${DTB}"
-			fi
-			install -d ${DEPLOYDIR}
-			install -m 0644 ${DTB_PATH} ${DEPLOYDIR}/${DTB_NAME}.dtb
-			ln -sf ${DTB_NAME}.dtb ${DEPLOYDIR}/${DTB_SYMLINK_NAME}.dtb
-		done
-	fi
+	for DTB in ${KERNEL_DEVICETREE}; do
+		if echo ${DTB} | grep -q '\.dts$'; then
+			bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
+			DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
+		fi
+		DTB_BASE_NAME=`basename ${DTB} .dtb`
+		DTB_NAME=`echo ${KERNEL_IMAGE_BASE_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+		DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+		DTB_PATH="${B}/arch/${ARCH}/boot/dts/${DTB}"
+		if [ ! -e "${DTB_PATH}" ]; then
+			DTB_PATH="${B}/arch/${ARCH}/boot/${DTB}"
+		fi
+		install -d ${DEPLOYDIR}
+		install -m 0644 ${DTB_PATH} ${DEPLOYDIR}/${DTB_NAME}.dtb
+		ln -sf ${DTB_NAME}.dtb ${DEPLOYDIR}/${DTB_SYMLINK_NAME}.dtb
+	done
 }
 
 pkg_postinst_kernel-devicetree () {
-- 
1.9.1