1 files changed, 12 insertions, 41 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index b20962c71a5..93f1cdd5d3d 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -373,26 +373,20 @@ static int lstats_show_proc(struct seq_file *m, void *v)
                 return -ESRCH;
         seq_puts(m, "Latency Top version : v0.1\n");
         for (i = 0; i < 32; i++) {
-                if (task->latency_record[i].backtrace[0]) {
+                struct latency_record *lr = &task->latency_record[i];
+                if (lr->backtrace[0]) {
                         int q;
-                        seq_printf(m, "%i %li %li ",
-                                task->latency_record[i].count,
-                                task->latency_record[i].time,
-                                task->latency_record[i].max);
+                        seq_printf(m, "%i %li %li",
+                                   lr->count, lr->time, lr->max);
                         for (q = 0; q < LT_BACKTRACEDEPTH; q++) {
-                                char sym[KSYM_SYMBOL_LEN];
-                                char *c;
-                                if (!task->latency_record[i].backtrace[q])
+                                unsigned long bt = lr->backtrace[q];
+                                if (!bt)
                                         break;
-                                if (task->latency_record[i].backtrace[q] == ULONG_MAX)
+                                if (bt == ULONG_MAX)
                                         break;
-                                sprint_symbol(sym, task->latency_record[i].backtrace[q]);
-                                c = strchr(sym, '+');
-                                if (c)
-                                        *c = 0;
-                                seq_printf(m, "%s ", sym);
+                                seq_printf(m, " %ps", (void *)bt);
                         }
-                        seq_printf(m, "\n");
+                        seq_putc(m, '\n');
                 }
 
         }
@@ -751,14 +745,7 @@ static int proc_single_show(struct seq_file *m, void *v)
 
 static int proc_single_open(struct inode *inode, struct file *filp)
 {
-        int ret;
-        ret = single_open(filp, proc_single_show, NULL);
-        if (!ret) {
-                struct seq_file *m = filp->private_data;
-
-                m->private = inode;
-        }
-        return ret;
+        return single_open(filp, proc_single_show, inode);
 }
 
 static const struct file_operations proc_single_file_operations = {
@@ -1386,15 +1373,7 @@ sched_write(struct file *file, const char __user *buf,
 
 static int sched_open(struct inode *inode, struct file *filp)
 {
-        int ret;
-
-        ret = single_open(filp, sched_show, NULL);
-        if (!ret) {
-                struct seq_file *m = filp->private_data;
-
-                m->private = inode;
-        }
-        return ret;
+        return single_open(filp, sched_show, inode);
 }
 
 static const struct file_operations proc_pid_sched_operations = {
@@ -1530,15 +1509,7 @@ static int comm_show(struct seq_file *m, void *v)
 
 static int comm_open(struct inode *inode, struct file *filp)
 {
-        int ret;
-
-        ret = single_open(filp, comm_show, NULL);
-        if (!ret) {
-                struct seq_file *m = filp->private_data;
-
-                m->private = inode;
-        }
-        return ret;
+        return single_open(filp, comm_show, inode);
 }
 
 static const struct file_operations proc_pid_set_comm_operations = {