checkpatch: add __rcu as a sparse modifier

Fix "need consistent spacing around '*'" error after a __rcu sparse
annotation which was caused by the missing __rcu entry in the
checkpatch.pl internal list of sparse keywords.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5ba62d8b5e52..63cca81b1105 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -145,7 +145,8 @@ our $Sparse	= qr{
                         __must_check|
                         __init_refok|
                         __kprobes|
-                        __ref
+                        __ref|
+                        __rcu
                 }x;
 
 # Notes to $Attribute: