X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=kernel%2Fcpuset.c;h=29f815d2ef7e3cfdffe03dd3d9adc409749c61fc;hb=80a306d6faa72a7724b0b9f440a116f6e85eaec5;hp=2b4c20ab5bbe170b8762b783e61df37a38368477;hpb=b9044ac8292fc94bee33f6f08acaed3ac55f0c75;p=cascardo%2Flinux.git

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 2b4c20ab5bbe..29f815d2ef7e 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2715,7 +2715,7 @@ void __cpuset_memory_pressure_bump(void)
 int proc_cpuset_show(struct seq_file *m, struct pid_namespace *ns,
 		     struct pid *pid, struct task_struct *tsk)
 {
-	char *buf, *p;
+	char *buf;
 	struct cgroup_subsys_state *css;
 	int retval;
 
@@ -2724,14 +2724,15 @@ int proc_cpuset_show(struct seq_file *m, struct pid_namespace *ns,
 	if (!buf)
 		goto out;
 
-	retval = -ENAMETOOLONG;
 	css = task_get_css(tsk, cpuset_cgrp_id);
-	p = cgroup_path_ns(css->cgroup, buf, PATH_MAX,
-			   current->nsproxy->cgroup_ns);
+	retval = cgroup_path_ns(css->cgroup, buf, PATH_MAX,
+				current->nsproxy->cgroup_ns);
 	css_put(css);
-	if (!p)
+	if (retval >= PATH_MAX)
+		retval = -ENAMETOOLONG;
+	if (retval < 0)
 		goto out_free;
-	seq_puts(m, p);
+	seq_puts(m, buf);
 	seq_putc(m, '\n');
 	retval = 0;
 out_free: