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n_tty: check printk arguments for n_tty_trace

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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>
Link: https://lore.kernel.org/r/20200130115843.7452-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2020-01-30 12:58:43 +01:00 committed by Greg Kroah-Hartman
parent 8e217b0781
commit a287885f1e
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/n_tty.c
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@ -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 {