On 16/04/2021 09.47, Marc Hartmayer wrote:
Don't read the block if a null block number is reached, because this means that
the end of chunk is reached.
Reviewed-by: Collin Walling <[email protected]>
Signed-off-by: Marc Hartmayer <[email protected]>
---
pc-bios/s390-ccw/bootmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index 44df7d16afca..b46997c0b7c1 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -213,7 +213,7 @@ static int eckd_get_boot_menu_index(block_number_t
s1b_block_nr)
next_block_nr = eckd_block_num(&s1b->seek[i + 1].chs);
}
- if (next_block_nr) {
+ if (next_block_nr && !is_null_block_number(next_block_nr)) {
read_block(next_block_nr, s2_next_blk,
"Cannot read stage2 boot loader");
}
Commit 468184ec9024f4f7b5 was already a similar fix ... I wonder whether we
have any more of those?
Anyway,
Acked-by: Thomas Huth <[email protected]>
and I'll queue it for my next pull request.
