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From: Chris Down <chris@chrisdown.name>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Whitcroft <apw@canonical.com>, Joe Perches <joe@perches.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	kernel-team@fb.com
Subject: [PATCH RESEND] checkpatch: Don't warn about colon termination in linker scripts
Date: Sat, 6 Feb 2021 13:08:46 +0000
Message-ID: <YB6UsjCOy1qrrlSD@chrisdown.name> (raw)

This check erroneously flags cases like the one in my recent printk
enumeration patch[0], where the spaces are syntactic, and `section:' vs.
`section :' is syntactically important:

    ERROR: space prohibited before that ':' (ctx:WxW)
    #258: FILE: include/asm-generic/vmlinux.lds.h:314:
    +       .printk_fmts : AT(ADDR(.printk_fmts) - LOAD_OFFSET) {

0: https://lore.kernel.org/patchwork/patch/1375749/

Signed-off-by: Chris Down <chris@chrisdown.name>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4f8494527139..3bcffc5574ae 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5046,7 +5046,7 @@ sub process {
 				# A colon needs no spaces before when it is
 				# terminating a case value or a label.
 				} elsif ($opv eq ':C' || $opv eq ':L') {
-					if ($ctx =~ /Wx./) {
+					if ($ctx =~ /Wx./ and $realfile !~ m@.*\.lds\.h$@) {
 						if (ERROR("SPACING",
 							  "space prohibited before that '$op' $at\n" . $hereptr)) {
 							$good = rtrim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
-- 
2.30.0


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