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-rwxr-xr-xscripts/checkpatch.pl15
1 files changed, 8 insertions, 7 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2d88cbf9f884..2b3c22808c3b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -370,6 +370,8 @@ our $typeTypedefs = qr{(?x:
$typeKernelTypedefs\b
)};
+our $zero_initializer = qr{(?:(?:0[xX])?0+$Int_type?|NULL|false)\b};
+
our $logFunctions = qr{(?x:
printk(?:_ratelimited|_once|)|
(?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)|
@@ -3334,21 +3336,20 @@ sub process {
}
# check for global initialisers.
- if ($line =~ /^\+$Type\s*$Ident(?:\s+$Modifier)*\s*=\s*(?:0|NULL|false)\s*;/) {
+ if ($line =~ /^\+$Type\s*$Ident(?:\s+$Modifier)*\s*=\s*($zero_initializer)\s*;/) {
if (ERROR("GLOBAL_INITIALISERS",
- "do not initialise globals to 0 or NULL\n" .
- $herecurr) &&
+ "do not initialise globals to $1\n" . $herecurr) &&
$fix) {
- $fixed[$fixlinenr] =~ s/(^.$Type\s*$Ident(?:\s+$Modifier)*)\s*=\s*(0|NULL|false)\s*;/$1;/;
+ $fixed[$fixlinenr] =~ s/(^.$Type\s*$Ident(?:\s+$Modifier)*)\s*=\s*$zero_initializer\s*;/$1;/;
}
}
# check for static initialisers.
- if ($line =~ /^\+.*\bstatic\s.*=\s*(0|NULL|false)\s*;/) {
+ if ($line =~ /^\+.*\bstatic\s.*=\s*($zero_initializer)\s*;/) {
if (ERROR("INITIALISED_STATIC",
- "do not initialise statics to 0 or NULL\n" .
+ "do not initialise statics to $1\n" .
$herecurr) &&
$fix) {
- $fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*(0|NULL|false)\s*;/$1;/;
+ $fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*$zero_initializer\s*;/$1;/;
}
}