diff --git a/firmware.sh b/firmware.sh
index 7d33340..1ccae17 100644
--- a/firmware.sh
+++ b/firmware.sh
@@ -54,6 +54,29 @@ get_kernel_dir()
 	usage
 }
 
+cache=
+if test "$1" = "--cache" ; then
+	cache=$2
+	shift
+	shift
+fi
+
+if test "$1" = "--find-supplements" -a -n "$cache" ; then
+	if ! test -e "$cache"; then
+		get_kernel_dir
+		echo "Using $kernel" >&2
+		find "$kernel" -name '*.ko' -type f | while read ko; do
+			/sbin/modinfo -F firmware "$ko" | sed -e "s@\$@ $ko@"
+		done > $cache
+	fi
+	while read fw ; do
+		sed -n -e "s@^${fw#$RPM_BUILD_ROOT/lib/firmware/} @@p" < "$cache"
+	done | sort | \
+	RPMBUILD_SPECFILE=/dev/null /usr/lib/rpm/find-supplements.ksyms | \
+	sed 's/^modalias(kernel-[^:]*:/modalias(/' # strip the kernel-$flavor: prefix
+	exit 0
+fi
+
 trap 'rm -rf "$tmp"' EXIT
 tmp=$(mktemp -d)
 
diff --git a/kernel-firmware.changes b/kernel-firmware.changes
index c5529a2..85c1158 100644
--- a/kernel-firmware.changes
+++ b/kernel-firmware.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug 25 18:04:35 CEST 2011 - mls@suse.de
+
+- fix supplements generation with rpm-4.9
+
 -------------------------------------------------------------------
 Fri Aug 12 14:57:20 CEST 2011 - dmueller@suse.de
 
diff --git a/kernel-firmware.spec b/kernel-firmware.spec
index dbd1f0e..f81012d 100644
--- a/kernel-firmware.spec
+++ b/kernel-firmware.spec
@@ -31,6 +31,8 @@ Source2:        qlogic.tar.bz2
 Source3:        iwlwifi-4965-1.ucode
 Source4:        t4fw.bin
 %define __find_supplements bash %_sourcedir/firmware.sh --find-supplements
+%define __ksyms_supplements bash %_sourcedir/firmware.sh --cache %{_builddir}/%{?buildsubdir}/find_supplements.cache --find-supplements
+%define __ksyms_path ^/lib/firmware
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
 Provides:       qlogic-firmware
@@ -61,7 +63,6 @@ Provides:       iwl6000g2-ucode
 Obsoletes:      iwl6000g2-ucode
 Provides:       ath3k-firmware
 Obsoletes:      ath3k-firmware
-AutoReq:        off
 
 %description
 This package contains the firmware for in-kernel drivers that was
@@ -84,6 +85,7 @@ cp -avf * %{buildroot}/lib/firmware
 rm -f %{buildroot}/lib/firmware/WHENCE
 bash %_sourcedir/firmware.sh --kill-duplicates %buildroot/lib/firmware/
 %fdupes %{buildroot}
+rm -f find_supplements.cache
 
 %clean
 rm -rf %{buildroot}