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| author |   Steven Rostedt <srostedt@redhat.com> | 2008-12-04 00:26:39 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-12-04 09:09:37 +0100 |
| commit | 5ef6476190d24419a9a537baa0b5641845136989 (patch) | |
| tree | 668d3e02acf97745d2a2e701e4b161cbd6f890bf /include/linux/pid.h | |
| parent | ftrace: trace single pid for function graph tracer (diff) | |
| download | linux-dev-5ef6476190d24419a9a537baa0b5641845136989.tar.xz linux-dev-5ef6476190d24419a9a537baa0b5641845136989.zip | |
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>
Diffstat (limited to 'include/linux/pid.h')
| -rw-r--r-- | 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 d7e98ff8021e..bb206c56d1f0 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 |