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Subject[PATCH] checkpatch: Adjust regular expressions in $logFunctions
Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 9 May 2017 20:40:51 +0200

* Two alternations contained an empty element. Use the question mark
metacharacter instead to express optional items in the search pattern.

* Some alternation elements shared a common prefix (like an underscore).
Improve the specification of this detail by more non-capturing groups.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
scripts/checkpatch.pl | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4b9569fa931b..8561de02d9b8 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -427,12 +427,12 @@ our $typeTypedefs = qr{(?x:
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|)|
- WARN(?:_RATELIMIT|_ONCE|)|
+ printk(?:_(?:ratelimited|once|deferred(?:_once)?))?|
+ (?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_(?:ratelimited|once))?|
+ WARN(?:_(?:RATELIMIT|ONCE))?|
panic|
MODULE_[A-Z_]+|
- seq_vprintf|seq_printf|seq_puts
+ seq_(?:v?printf|puts)
)};

our $signature_tags = qr{(?xi:
--
2.12.2
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