[PATCH 5.15 42/43] slip: fix macro redefine warning

Greg Kroah-Hartman
2022-03-09T16:21:59Z

From: Huang Pei <huangpei@loongson.cn>

commit e5b40668e930979bd1e82c7ed7c9029db635f0e4 upstream.

MIPS/IA64 define END as assembly function ending, which conflict
with END definition in slip.h, just undef it at first

Reported-by: lkp@intel.com
Signed-off-by: Huang Pei <huangpei@loongson.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/slip/slip.h | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/net/slip/slip.h
+++ b/drivers/net/slip/slip.h
@@ -40,6 +40,8 @@
insmod -oslip_maxdev=nnn */
#define SL_MTU 296 /* 296; I am used to 600- FvK */

+/* some arch define END as assembly function ending, just undef it */
+#undef END
/* SLIP protocol characters. */
#define END 0300 /* indicates end of frame */
#define ESC 0333 /* indicates byte stuffing */