[PATCH 1/3] fix the do_each_pid_task macro

[Steven Rostedt]

From: Steven Rostedt <srostedt@xxxxxxxxxx>

Impact: fix

This patch adds parenthesis around 'pid' in the do_each_pid_task
macro to allow callers to pass in more complex parameters.

e.g.  do_each_pid_task(*pid, type, task)

Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
---
 include/linux/pid.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/pid.h b/include/linux/pid.h
index d7e98ff..bb206c5 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -147,9 +147,9 @@ pid_t pid_vnr(struct pid *pid);
 #define do_each_pid_task(pid, type, task)				\
 	do {								\
 		struct hlist_node *pos___;				\
-		if (pid != NULL)					\
+		if ((pid) != NULL)					\
 			hlist_for_each_entry_rcu((task), pos___,	\
-				&pid->tasks[type], pids[type].node) {
+				&(pid)->tasks[type], pids[type].node) {
 
 			/*
 			 * Both old and new leaders may be attached to
-- 
1.5.6.5

-- 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/