X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=scripts%2Fdepmod.sh;h=122599b1c13b7d4ca14b4e9ff637ec19789f3e64;hb=6516ab6fdffbda656253d4e1231660c3f87f7889;hp=2ae4817031415a87af016a29fe9125bfccc82855;hpb=a75ee6ecd411a50bf4da927c2fdb2cb56246a2bd;p=cascardo%2Flinux.git

diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index 2ae481703141..122599b1c13b 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -2,16 +2,36 @@
 #
 # A depmod wrapper used by the toplevel Makefile
 
-if test $# -ne 2; then
-	echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
+if test $# -ne 3; then
+	echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2
 	exit 1
 fi
 DEPMOD=$1
 KERNELRELEASE=$2
+SYMBOL_PREFIX=$3
 
 if ! test -r System.map -a -x "$DEPMOD"; then
 	exit 0
 fi
+
+# older versions of depmod don't support -P <symbol-prefix>
+# support was added in module-init-tools 3.13
+if test -n "$SYMBOL_PREFIX"; then
+	release=$("$DEPMOD" --version)
+	package=$(echo "$release" | cut -d' ' -f 1)
+	if test "$package" = "module-init-tools"; then
+		version=$(echo "$release" | cut -d' ' -f 2)
+		later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1)
+		if test "$later" != "$version"; then
+			# module-init-tools < 3.13, drop the symbol prefix
+			SYMBOL_PREFIX=""
+		fi
+	fi
+	if test -n "$SYMBOL_PREFIX"; then
+		SYMBOL_PREFIX="-P $SYMBOL_PREFIX"
+	fi
+fi
+
 # older versions of depmod require the version string to start with three
 # numbers, so we cheat with a symlink here
 depmod_hack_needed=true
@@ -34,7 +54,7 @@ set -- -ae -F System.map
 if test -n "$INSTALL_MOD_PATH"; then
 	set -- "$@" -b "$INSTALL_MOD_PATH"
 fi
-"$DEPMOD" "$@" "$KERNELRELEASE"
+"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX
 ret=$?
 
 if $depmod_hack_needed; then