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[1/6] S390: BIOS check for file

Message ID 1367854224-2354-2-git-send-email-agraf@suse.de
State New
Headers show

Commit Message

Alexander Graf May 6, 2013, 3:30 p.m. UTC 
From: Dominik Dingel <dingel@linux.vnet.ibm.com>

Add a check if the BIOS blob exists before trying to load.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 hw/s390x/ipl.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
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Patch

diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index ace5ff5..cc3cd23 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -82,6 +82,10 @@  static int s390_ipl_init(SysBusDevice *dev)
         }
 
         bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
+        if (bios_filename == NULL) {
+            hw_error("could not find stage1 bootloader\n");
+        }
+
         bios_size = load_elf(bios_filename, NULL, NULL, &ipl->start_addr, NULL,
                              NULL, 1, ELF_MACHINE, 0);
         if (bios_size == -1UL) {