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charset="utf-8" From: Marc Hartmayer Break the loop if `cur_block_nr` is a null block number because this means that the end of chunk is reached. In this case we will try to boot the default entry. Fixes: ba831b25262a ("s390-ccw: read stage2 boot loader data to find menu") Reviewed-by: Collin Walling Signed-off-by: Marc Hartmayer Message-Id: <20200924085926.21709-3-mhartmay@linux.ibm.com> Signed-off-by: Thomas Huth --- 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 767bb612db..942fba3fa7 100644 --- a/pc-bios/s390-ccw/bootmap.c +++ b/pc-bios/s390-ccw/bootmap.c @@ -192,7 +192,7 @@ static int eckd_get_boot_menu_index(block_number_t s1b_= block_nr) for (i =3D 0; i < STAGE2_BLK_CNT_MAX; i++) { cur_block_nr =3D eckd_block_num(&s1b->seek[i].chs); =20 - if (!cur_block_nr) { + if (!cur_block_nr || is_null_block_number(cur_block_nr)) { break; } =20 --=20 2.18.2