|
 |
1072c8 |
From 52ba1903b2c8ce69e8cd1de2a78c2c63cc60383b Mon Sep 17 00:00:00 2001
|
|
|
a6baaf |
From: Thomas Huth <thuth@redhat.com>
|
|
|
1072c8 |
Date: Tue, 18 May 2021 13:51:25 -0400
|
|
|
1072c8 |
Subject: [PATCH 5/5] pc-bios/s390-ccw: don't try to read the next block if end
|
|
|
a6baaf |
of chunk is reached
|
|
|
1072c8 |
MIME-Version: 1.0
|
|
|
1072c8 |
Content-Type: text/plain; charset=UTF-8
|
|
|
1072c8 |
Content-Transfer-Encoding: 8bit
|
|
|
a6baaf |
|
|
|
a6baaf |
RH-Author: Thomas Huth <thuth@redhat.com>
|
|
|
1072c8 |
Message-id: <20210518135125.191329-4-thuth@redhat.com>
|
|
|
1072c8 |
Patchwork-id: 101550
|
|
|
1072c8 |
O-Subject: [RHEL-8.5.0 qemu-kvm PATCH 3/3] pc-bios/s390-ccw: don't try to read the next block if end of chunk is reached
|
|
|
1072c8 |
Bugzilla: 1942880
|
|
|
1072c8 |
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
|
|
|
1072c8 |
RH-Acked-by: David Hildenbrand <david@redhat.com>
|
|
|
a6baaf |
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
|
|
|
a6baaf |
|
|
|
a6baaf |
Don't read the block if a null block number is reached, because this means that
|
|
|
a6baaf |
the end of chunk is reached.
|
|
|
a6baaf |
|
|
|
a6baaf |
Reviewed-by: Collin Walling <walling@linux.ibm.com>
|
|
|
a6baaf |
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
|
|
|
a6baaf |
Message-Id: <20210416074736.17409-1-mhartmay@linux.ibm.com>
|
|
|
a6baaf |
Signed-off-by: Thomas Huth <thuth@redhat.com>
|
|
|
a6baaf |
(cherry picked from commit a6625d38cce3901a7c1cba069f0abcf743a293f1)
|
|
|
1072c8 |
Signed-off-by: Thomas Huth <thuth@redhat.com>
|
|
|
a6baaf |
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
|
|
|
a6baaf |
---
|
|
|
a6baaf |
pc-bios/s390-ccw/bootmap.c | 2 +-
|
|
|
a6baaf |
1 file changed, 1 insertion(+), 1 deletion(-)
|
|
|
a6baaf |
|
|
|
a6baaf |
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
|
|
|
a6baaf |
index 624f524331..8458b15cb6 100644
|
|
|
a6baaf |
--- a/pc-bios/s390-ccw/bootmap.c
|
|
|
a6baaf |
+++ b/pc-bios/s390-ccw/bootmap.c
|
|
|
a6baaf |
@@ -212,7 +212,7 @@ static int eckd_get_boot_menu_index(block_number_t s1b_block_nr)
|
|
|
a6baaf |
next_block_nr = eckd_block_num(&s1b->seek[i + 1].chs);
|
|
|
a6baaf |
}
|
|
|
a6baaf |
|
|
|
a6baaf |
- if (next_block_nr) {
|
|
|
a6baaf |
+ if (next_block_nr && !is_null_block_number(next_block_nr)) {
|
|
|
a6baaf |
read_block(next_block_nr, s2_next_blk,
|
|
|
a6baaf |
"Cannot read stage2 boot loader");
|
|
|
a6baaf |
}
|
|
|
a6baaf |
--
|
|
|
a6baaf |
2.27.0
|
|
|
a6baaf |
|