[PATCH] tty/sysrq: Export sysrq_mask()

[Dmitry Safonov]

Build fix for serial_core being module:
  ERROR: modpost: "sysrq_mask" [drivers/tty/serial/serial_core.ko] undefined!

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jslaby@xxxxxxxx>
Reported-by: "kernelci.org bot" <bot@xxxxxxxxxxxx>
Reported-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx>
---
 drivers/tty/sysrq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 5e0d0813da55..a0760bcd7a97 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -74,6 +74,7 @@ int sysrq_mask(void)
 		return 1;
 	return sysrq_enabled;
 }
+EXPORT_SYMBOL_GPL(sysrq_mask);
 
 /*
  * A value of 1 means 'all', other nonzero values are an op mask:
-- 
2.25.1