oprofile: adding cpu buffer r/w access functions

This is in preparation for changes in the cpu buffer implementation.

Signed-off-by: Robert Richter <robert.richter@amd.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 2c4d54187b90..7e5e650e409f 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -168,7 +168,7 @@ static inline void
 add_sample(struct oprofile_cpu_buffer *cpu_buf,
            unsigned long pc, unsigned long event)
 {
-        struct op_sample *entry = &cpu_buf->buffer[cpu_buf->head_pos];
+        struct op_sample *entry = cpu_buffer_write_entry(cpu_buf);
         entry->eip = pc;
         entry->event = event;
         increment_head(cpu_buf);