From 7527b90c886e0c950f4a533fbb4eefb3714a5f9a Mon Sep 17 00:00:00 2001

From: Zhiguo Deng <bjzgdeng@linux.vnet.ibm.com>

Date: Fri, 16 Oct 2015 04:04:34 +0200

Subject: [PATCH] Check rd.zfcp= format in dracut hook:cmdline process stage

When using rd.zfcp= parameter in generic.prm file, wrong format

parameters will prevent the zfcp driver to add the correct SCSI

disk. dracut should die when a wrong rd.zfcp= parameter supplied.

Signed-off-by: Zhiguo Deng <bjzgdeng@linux.vnet.ibm.com>

---

 modules.d/95zfcp/parse-zfcp.sh | 2 ++

 1 file changed, 2 insertions(+)

diff --git a/modules.d/95zfcp/parse-zfcp.sh b/modules.d/95zfcp/parse-zfcp.sh

index 223cd32..6e1514f 100755

--- a/modules.d/95zfcp/parse-zfcp.sh

+++ b/modules.d/95zfcp/parse-zfcp.sh

@@ -3,6 +3,8 @@

 getargbool 1 rd.zfcp.conf -d -n rd_NO_ZFCPCONF || rm /etc/zfcp.conf

 for zfcp_arg in $(getargs rd.zfcp -d 'rd_ZFCP='); do

+    echo $zfcp_arg | grep '0\.[0-9a-fA-F]\.[0-9a-fA-F]\{4\},0x[0-9a-fA-F]\{16\},0x[0-9a-fA-F]\{16\}' >/dev/null

+    test $? -ne 0 && die "For argument 'rd.zfcp=$zfcp_arg'\nSorry, invalid format."

     (

         IFS=","

         set $zfcp_arg