From: Hannes Reinecke <hare@suse.de>
Date: Thu, 11 Dec 2014 14:46:11 +0000 (+0100)
Subject: Handle module alias properly
X-Git-Tag: 041~52
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ae60e559f049ba41d5d198f27509721a245d6ea;p=thirdparty%2Fdracut.git

Handle module alias properly

Some modules (like ext4) provide aliases by which the modules
can be accessed, too. But when using aliases directly dracut
fails to include the correct module. So translate the alias
into the correct module name before checking the module.

References: bnc#886839

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Thomas Renninger <trenn@suse.de>
---

diff --git a/dracut-functions.sh b/dracut-functions.sh
index edd8ea9ef..7a12a7643 100755
--- a/dracut-functions.sh
+++ b/dracut-functions.sh
@@ -1689,6 +1689,13 @@ instmods() {
             --*) _mpargs+=" $_mod" ;;
             *)
                 _mod=${_mod##*/}
+                # Check for aliased modules
+                _modalias=$(modinfo -k $kernel -F filename $_mod 2> /dev/null)
+                _modalias=${_modalias%.ko}
+                if [ "${_modalias##*/}" != "$_mod" ] ; then
+                    _mod=${_modalias##*/}
+                fi
+
                 # if we are already installed, skip this module and go on
                 # to the next one.
                 if [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && \