commit 3baf13c790407140007025a18642f61168768fb8
author Dave Martin <Dave.Martin@arm.com> Fri Jun 07 12:26:22 2019 +0100
committer Will Deacon <will.deacon@arm.com> Wed Jul 03 10:34:05 2019 +0100
tree d776ddfe8643cae71738c37eed1823ff98763ef6
parent 534cac245102e05b3af3ea8afff382e7488984da

update_headers.sh: Add missing shell quoting

update_headers.sh can break if the current working directory has a
funny name or if something odd is passed for LINUX_ROOT.

In the interest of cleanliness, quote where appropriate.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

util/update_headers.sh

diff --git a/util/update_headers.sh b/util/update_headers.sh
index 2d93646..4ba1b9f 100755
--- a/util/update_headers.sh
+++ b/util/update_headers.sh
@@ -11,17 +11,17 @@
 then
 	LINUX_ROOT="$1"
 else
-	LINUX_ROOT=/lib/modules/$(uname -r)/source
+	LINUX_ROOT="/lib/modules/$(uname -r)/source"
 fi
 
-if [ ! -d $LINUX_ROOT/include/uapi/linux ]
+if [ ! -d "$LINUX_ROOT/include/uapi/linux" ]
 then
 	echo "$LINUX_ROOT does not seem to be valid Linux source tree."
 	echo "usage: $0 [path-to-Linux-source-tree]"
 	exit 1
 fi
 
-cp $LINUX_ROOT/include/uapi/linux/kvm.h include/linux
+cp -- "$LINUX_ROOT/include/uapi/linux/kvm.h" include/linux
 
 for arch in arm arm64 mips powerpc x86
 do
@@ -30,6 +30,6 @@
 		arm64) KVMTOOL_PATH=arm/aarch64 ;;
 		*) KVMTOOL_PATH=$arch ;;
 	esac
-	cp $LINUX_ROOT/arch/$arch/include/uapi/asm/kvm.h \
-		$KVMTOOL_PATH/include/asm
+	cp -- "$LINUX_ROOT/arch/$arch/include/uapi/asm/kvm.h" \
+		"$KVMTOOL_PATH/include/asm"
 done