checkpatch: fix jiffies comparison and others

checkpatch could not distinguish between a variable in a struct named
jiffies and the normal jiffies.

	foo->jiffies

would emit a "Comparing jiffies" arning.

Update the $Compare variable to do a negative look-behind for "-" when
finding a ">" so that a pointer dereference like -> isn't a comparison.

Signed-off-by: Joe Perches <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e7c50977fe3d54d0cf4b1fd3515cba2a9b47acc9..646295cd99906a84ba384fa445b224bf208b8ba2 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -296,7 +296,7 @@ our $Float_int      = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
 our $Float     = qr{$Float_hex|$Float_dec|$Float_int};
 our $Constant  = qr{$Float|$Binary|$Octal|$Hex|$Int};
 our $Assignment        = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=};
-our $Compare    = qr{<=|>=|==|!=|<|>};
+our $Compare    = qr{<=|>=|==|!=|<|(?<!-)>};
 our $Arithmetic = qr{\+|-|\*|\/|%};
 our $Operators = qr{
                        <=|>=|==|!=|