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authorPeter Hurley <peter@hurleysoftware.com>2015-04-11 11:02:36 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-06 22:27:00 +0200
commit6b3cddccf4eec0883feb065aea28dd9770bb17d0 (patch)
tree20a4634760f8f402b0950af8e5fa8a9e614568c2
parentbbdfe620b97443e1a127570ca856b000904d42f3 (diff)
downloadlinux-6b3cddccf4eec0883feb065aea28dd9770bb17d0.tar.gz
serial: core: Fix unused variable warnings from uart_console()
If CONFIG_SERIAL_CORE_CONSOLE=n, build warnings are generated by uart_console() macro expansion: drivers/tty/serial/of_serial.c: In function ‘of_serial_suspend_8250’: drivers/tty/serial/of_serial.c:262:20: warning: unused variable ‘port’ [-Wunused-variable] struct uart_port *port = &port8250->port; ^ drivers/tty/serial/of_serial.c: In function ‘of_serial_resume_8250’: drivers/tty/serial/of_serial.c:272:20: warning: unused variable ‘port’ [-Wunused-variable] struct uart_port *port = &port8250->port; Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--include/linux/serial_core.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 025dad9dcde4..297d4fa1cfe5 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -35,7 +35,7 @@
#define uart_console(port) \
((port)->cons && (port)->cons->index == (port)->line)
#else
-#define uart_console(port) (0)
+#define uart_console(port) ({ (void)port; 0; })
#endif
struct uart_port;