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Commit 501fed45 authored by Tomoki Sekiyama's avatar Tomoki Sekiyama Committed by Greg Kroah-Hartman
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drivers/tty/hvc: don't free hvc_console_setup after init 



When 'console=hvc0' is specified to the kernel parameter in x86 KVM guest,
hvc console is setup within a kthread. However, that will cause SEGV
and the boot will fail when the driver is builtin to the kernel,
because currently hvc_console_setup() is annotated with '__init'. This
patch removes '__init' to boot the guest successfully with 'console=hvc0'.

Signed-off-by: default avatarTomoki Sekiyama <tomoki.sekiyama@hds.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4291086b

drivers/tty/hvc/hvc_console.c

+1 −1
Original line number Diff line number Diff line
@@ -190,7 +190,7 @@ static struct tty_driver *hvc_console_device(struct console *c, int *index) 
	return hvc_driver;

}



static int __init hvc_console_setup(struct console *co, char *options)

static int hvc_console_setup(struct console *co, char *options)

{	

	if (co->index < 0 || co->index >= MAX_NR_HVC_CONSOLES)

		return -ENODEV;