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authorAndy Whitcroft <apw@canonical.com>2009-10-26 23:50:14 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-29 14:39:31 (GMT)
commit2ceb532b04b7a3b8f534d11a6e839f8b8bff94c1 (patch)
tree44dd940b3f397dfc21344c94d4827a37985c2d50 /scripts/checkpatch.pl
parent131edb3418018b6da297ed389b541e697043a8b6 (diff)
checkpatch: fix false errors due to macro concatenation
The macro concatenation (##) sequence can cause false errors when checking macro's. Checkpatch doesn't currently know about the operator. For example this line, + entry = (struct ftrace_raw_##call *)raw_data; \ is correct but it produces the following error, ERROR: need consistent spacing around '*' (ctx:WxB) + entry = (struct ftrace_raw_##call *)raw_data;\ ^ The line above doesn't have any spacing problems, and if you remove the macro concatenation sequence checkpatch doesn't give any errors. Extend identifier handling to include ## concatenation within the definition of an identifier. Reported-by: Daniel Walker <dwalker@fifo99.com> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/checkpatch.pl')
-rwxr-xr-xscripts/checkpatch.pl5
1 files changed, 4 insertions, 1 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 05b10d6..cb2dac3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -130,7 +130,10 @@ if ($tree) {
my $emitted_corrupt = 0;
-our $Ident = qr{[A-Za-z_][A-Za-z\d_]*};
+our $Ident = qr{
+ [A-Za-z_][A-Za-z\d_]*
+ (?:\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)*
+ }x;
our $Storage = qr{extern|static|asmlinkage};
our $Sparse = qr{
__user|

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