1 files changed, 13 insertions, 10 deletions

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 21fd249b6e0b..908202afbae9 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -329,9 +329,10 @@ static void add_ibs_begin(int cpu, int code, struct mm_struct *mm)
         int i, count;
         unsigned long cookie = 0;
         off_t offset;
+        struct op_entry entry;
         struct op_sample *sample;
 
-        sample = op_cpu_buffer_read_entry(cpu);
+        sample = op_cpu_buffer_read_entry(&entry, cpu);
         if (!sample)
                 return;
         pc = sample->eip;
@@ -370,7 +371,7 @@ static void add_ibs_begin(int cpu, int code, struct mm_struct *mm)
                 count = IBS_OP_CODE_SIZE;       /*IBS OP is 5 int64s*/
 
         for (i = 0; i < count; i++) {
-                sample = op_cpu_buffer_read_entry(cpu);
+                sample = op_cpu_buffer_read_entry(&entry, cpu);
                 if (!sample)
                         return;
                 add_event_entry(sample->eip);
@@ -528,6 +529,8 @@ void sync_buffer(int cpu)
         sync_buffer_state state = sb_buffer_start;
         unsigned int i;
         unsigned long available;
+        struct op_entry entry;
+        struct op_sample *sample;
 
         mutex_lock(&buffer_mutex);
 
@@ -537,19 +540,19 @@ void sync_buffer(int cpu)
         available = op_cpu_buffer_entries(cpu);
 
         for (i = 0; i < available; ++i) {
-                struct op_sample *s = op_cpu_buffer_read_entry(cpu);
-                if (!s)
+                sample = op_cpu_buffer_read_entry(&entry, cpu);
+                if (!sample)
                         break;
 
-                if (is_code(s->eip)) {
-                        switch (s->event) {
+                if (is_code(sample->eip)) {
+                        switch (sample->event) {
                         case 0:
                         case CPU_IS_KERNEL:
                                 /* kernel/userspace switch */
-                                in_kernel = s->event;
+                                in_kernel = sample->event;
                                 if (state == sb_buffer_start)
                                         state = sb_sample_start;
-                                add_kernel_ctx_switch(s->event);
+                                add_kernel_ctx_switch(sample->event);
                                 break;
                         case CPU_TRACE_BEGIN:
                                 state = sb_bt_start;
@@ -566,7 +569,7 @@ void sync_buffer(int cpu)
                         default:
                                 /* userspace context switch */
                                 oldmm = mm;
-                                new = (struct task_struct *)s->event;
+                                new = (struct task_struct *)sample->event;
                                 release_mm(oldmm);
                                 mm = take_tasks_mm(new);
                                 if (mm != oldmm)
@@ -581,7 +584,7 @@ void sync_buffer(int cpu)
                         /* ignore sample */
                         continue;
 
-                if (add_sample(mm, s, in_kernel))
+                if (add_sample(mm, sample, in_kernel))
                         continue;
 
                 /* ignore backtraces if failed to add a sample */