File kdump-fail-if-fadump-cannot-be-registered.patch of Package kdump.17334

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File kdump-fail-if-fadump-cannot-be-registered.patch of Package kdump.17334

From: Petr Tesarik <ptesarik@suse.com>
Date: Mon Jun 26 13:22:10 2017 +0200
Subject: Fail at startup if fadump cannot be registered
References: bsc#1040567
Upstream: v0.8.17
Git-commit: 99a38e490012da75d83efb83385d42edbea100e9

If writing "1" into /sys/kernel/fadump_registered fails for whatever
reason, do not return success.

Signed-off-by: Petr Tesarik <ptesarik@suse.com>

diff --git a/init/load.sh b/init/load.sh
index 1894551..4fc7a82 100755
--- a/init/load.sh
+++ b/init/load.sh
@@ -241,17 +241,19 @@ function load_kdump_fadump()
     fi
 
     local msg
+    local result=0
 
     # The kernel fails with EINVAL if registered already
     # (see bnc#814780)
-    if [ $(cat "$FADUMP_REGISTERED") != "1" ] ; then
-	local output=$( (echo 1 > "$FADUMP_REGISTERED") 2>&1)
-	local result=$?
+    if [ "$(cat $FADUMP_REGISTERED)" != "1" ] ; then
+        local output
 
-	if [ $result -eq 0 ] ; then
+        output=$( (echo 1 > "$FADUMP_REGISTERED") 2>&1)
+        if [ $? -eq 0 ] ; then
 	    msg="Registered fadump"
 	else
 	    msg="FAILED to register fadump: $output"
+            result=1
 	fi
     else
 	msg="fadump is already registered"

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File kdump-fail-if-fadump-cannot-be-registered.patch of Package kdump.17334

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