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* [PATCH] n_tty: check printk arguments for n_tty_trace
@ 2020-01-30 11:58 Jiri Slaby
  0 siblings, 0 replies; only message in thread
From: Jiri Slaby @ 2020-01-30 11:58 UTC (permalink / raw)
  To: gregkh; +Cc: linux-serial, linux-kernel, Jiri Slaby

When N_TTY_TRACE is undefined (the default), define n_tty_trace to use
no_printk. That way, arguments are still checked during compilation.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/tty/n_tty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index f9c584244f72..640fdd1e4c1d 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -84,7 +84,7 @@
 #ifdef N_TTY_TRACE
 # define n_tty_trace(f, args...)	trace_printk(f, ##args)
 #else
-# define n_tty_trace(f, args...)
+# define n_tty_trace(f, args...)	no_printk(f, ##args)
 #endif
 
 struct n_tty_data {
-- 
2.25.0


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2020-01-30 11:58 [PATCH] n_tty: check printk arguments for n_tty_trace Jiri Slaby

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