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pid: fix the do_each_pid_task() macro 

Impact: macro side-effects 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@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2008-12-04 00:26:39 -05:00 committed by Ingo Molnar
parent 804a685162
commit 5ef6476190
1 changed files with 2 additions and 2 deletions
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4
include/linux/pid.h
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@ -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