checkpatch: do not require an empty line before error injection

ALLOW_ERROR_INJECTION macro (just like EXPORT_SYMBOL) can immediately
follow a function it annotates.

Link: https://lkml.kernel.org/r/20231109075147.2779461-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com> (maintainer:CHECKPATCH)
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com> (reviewer:CHECKPATCH)
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 25fdb7fda1128aa99d2d32ee3a125fc4c00292cf..a94ed6c46a6d41ba92ae244f6a1851fcb3a5bf12 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4054,7 +4054,7 @@ sub process {
                if ($prevline =~ /^[\+ ]};?\s*$/ &&
                    $line =~ /^\+/ &&
                    !($line =~ /^\+\s*$/ ||
-                     $line =~ /^\+\s*(?:EXPORT_SYMBOL|early_param)/ ||
+                     $line =~ /^\+\s*(?:EXPORT_SYMBOL|early_param|ALLOW_ERROR_INJECTION)/ ||
                      $line =~ /^\+\s*MODULE_/i ||
                      $line =~ /^\+\s*\#\s*(?:end|elif|else)/ ||
                      $line =~ /^\+[a-z_]*init/ ||