From b19a940fbddacd04f678c84c9dcada89c1d1cffb Mon Sep 17 00:00:00 2001
From: "Guilherme G. Piccoli" <gpiccoli@igalia.com>
Date: Sat, 23 Dec 2023 14:56:42 -0500
Subject: [PATCH] kdumpst-load: Guard initrd creation against failures

Though rare, they might happen and then journal show non-handled
errors - better sanitize a bit the message.

Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
---
 kdumpst-load.sh.in | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/kdumpst-load.sh.in b/kdumpst-load.sh.in
index 02552e5..20f16c6 100644
--- a/kdumpst-load.sh.in
+++ b/kdumpst-load.sh.in
@@ -214,6 +214,12 @@ fi
 INITRD_FNAME="${MOUNT_FOLDER}/kdump-initrd-$(uname -r).img"
 if [ ! -s "${INITRD_FNAME}" ]; then
 	create_initrd
+
+	#  Check if create_initrd() succeeded.
+	if [ ! -s "${INITRD_FNAME}" ]; then
+		logger "kdumpst: failure on initrd creation - aborting."
+		exit 1
+	fi
 fi
 
 if ! kexec -s -p "${VMLINUX}" --initrd "${INITRD_FNAME}" --append="${KDUMP_CMDLINE}"; then