From: Christian Borntraeger <borntrae...@de.ibm.com> Since commit 967c0da73a7b0da186baba6632301d83644a570c vl.c: Avoid segfault when started with no arguments
the user can specify a kernel without a command line. Lets not overwrite the default command line with \0 in that case. Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com> Signed-off-by: Jens Freimann <jf...@linux.vnet.ibm.com> --- hw/s390-virtio.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/hw/s390-virtio.c b/hw/s390-virtio.c index ca1bb09..d77871a 100644 --- a/hw/s390-virtio.c +++ b/hw/s390-virtio.c @@ -290,7 +290,7 @@ static void s390_init(QEMUMachineInitArgs *args) stq_p(rom_ptr(INITRD_PARM_SIZE), initrd_size); } - if (rom_ptr(KERN_PARM_AREA)) { + if (rom_ptr(KERN_PARM_AREA) && strlen(kernel_cmdline)) { /* we have to overwrite values in the kernel image, which are "rom" */ memcpy(rom_ptr(KERN_PARM_AREA), kernel_cmdline, strlen(kernel_cmdline) + 1); -- 1.7.1