From: Riku Voipio <riku.voi...@linaro.org>
Linux-user and bsd-user code need ifdef guards for new system
calls that aren't implemented on all host/target combinations.
Allow ifdefs for system calls when defined as __NR_foo.
Signed-off-by: Riku Voipio <riku.voi...@linaro.org>
---
scripts/checkpatch.pl | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3afa19a..e17f445 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2405,8 +2405,10 @@ sub process {
}
# check of hardware specific defines
# we have e.g. CONFIG_LINUX and CONFIG_WIN32 for common cases
-# where they might be necessary.
- if ($line =~ m@^.\s*\#\s*if.*\b__@) {
+# where they might be necessary. Ignore __NR and __TARGET_NR
+# definitions that are needed for linux-user builds
+ if (($line =~ m@^.\s*\#\s*if.*\b__@) &&
+ !($realfile =~ /^(linux|bsd)-user/ && $line =~ /__NR_/)) {
WARN("architecture specific defines should be
avoided\n" . $herecurr);
}
--
2.1.4
