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virtio/s390: keep early_put_chars 

In case the registration of the hvc tty never happens AND the kernel
thinks that hvc0 is the preferred console we should keep the early
printk function to avoid a kernel panic due to code being removed.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
steinar/wifi_calib_4_9_kernel
Christian Borntraeger 2016-07-07 17:07:56 +02:00 committed by Michael S. Tsirkin
parent 347a529398
commit 2ab0d56aad
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/virtio/kvm_virtio.c
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@ -482,7 +482,7 @@ static int __init kvm_devices_init(void)
}
/* code for early console output with virtio_console */
static __init int early_put_chars(u32 vtermno, const char *buf, int count)
static int early_put_chars(u32 vtermno, const char *buf, int count)
{
char scratch[17];
unsigned int len = count;