powerpc/kvm: Fix ifdef to remove build warning

index 69623b9045d5..3090b97258ae 100644
@@ -15,8 +15,8 @@
 
 has_renamed_memintrinsics()
 {
-	grep -q "^CONFIG_KASAN=y$" ${KCONFIG_CONFIG} && \
-		! grep -q "^CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX=y" ${KCONFIG_CONFIG}
+	grep -q "^CONFIG_KASAN=y$" "${KCONFIG_CONFIG}" && \
+		! grep -q "^CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX=y" "${KCONFIG_CONFIG}"
 }
 
 if has_renamed_memintrinsics

@@ -42,15 +42,15 @@ check_section()
 {
     file=$1
     section=$2
-    size=$(objdump -h -j $section $file 2>/dev/null | awk "\$2 == \"$section\" {print \$3}")
+    size=$(objdump -h -j "$section" "$file" 2>/dev/null | awk "\$2 == \"$section\" {print \$3}")
     size=${size:-0}
-    if [ $size -ne 0 ]; then
+    if [ "$size" -ne 0 ]; then
 	ERROR=1
 	echo "Error: Section $section not empty in prom_init.c" >&2
     fi
 }
 
-for UNDEF in $($NM -u $OBJ | awk '{print $2}')
+for UNDEF in $($NM -u "$OBJ" | awk '{print $2}')
 do
 	# On 64-bit nm gives us the function descriptors, which have
 	# a leading . on the name, so strip it off here.

@@ -87,8 +87,8 @@ do
 	fi
 done
 
-check_section $OBJ .data
-check_section $OBJ .bss
-check_section $OBJ .init.data
+check_section "$OBJ" .data
+check_section "$OBJ" .bss
+check_section "$OBJ" .init.data
 
 exit $ERROR

index 101fcb397a0f..c3df6c27ce75 100755
@@ -19,19 +19,19 @@
 set -e
 
 # this should work for both the pSeries zImage and the iSeries vmlinux.sm
-image_name=`basename $2`
+image_name=$(basename "$2")
 
 
 echo "Warning: '${INSTALLKERNEL}' command not available... Copying" \
      "directly to $4/$image_name-$1" >&2
 
-if [ -f $4/$image_name-$1 ]; then
-	mv $4/$image_name-$1 $4/$image_name-$1.old
+if [ -f "$4"/"$image_name"-"$1" ]; then
+	mv "$4"/"$image_name"-"$1" "$4"/"$image_name"-"$1".old
 fi
 
-if [ -f $4/System.map-$1 ]; then
-	mv $4/System.map-$1 $4/System-$1.old
+if [ -f "$4"/System.map-"$1" ]; then
+	mv "$4"/System.map-"$1" "$4"/System-"$1".old
 fi
 
-cat $2 > $4/$image_name-$1
-cp $3 $4/System.map-$1
+cat "$2" > "$4"/"$image_name"-"$1"
+cp "$3" "$4"/System.map-"$1"