checkpatch: add TP_printk to list of logging functions

So the line length check can be bypassed by its callers.

Link: http://lkml.kernel.org/r/7de542c08a6e79f2ebe7c1416c9f403c23fdcc09.1508282823.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Song Liu <songliubraving@fb.com>
Tested-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5fa0f5467d9936f2b43a0153460a279500840ad4..6bdd43d5dec55ff2eb35567784f4f4c0dcb207f0 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -454,6 +454,7 @@ our $zero_initializer = qr{(?:(?:0[xX])?0+$Int_type?|NULL|false)\b};
 our $logFunctions = qr{(?x:
        printk(?:_ratelimited|_once|_deferred_once|_deferred|)|
        (?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)|
+       TP_printk|
        WARN(?:_RATELIMIT|_ONCE|)|
        panic|
        MODULE_[A-Z_]+|