1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index 32888f2bd1a9..12ea4a4ad607 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -91,7 +91,7 @@ int alloc_event_buffer(void)
                 return -EINVAL;
 
         buffer_pos = 0;
-        event_buffer = vmalloc(sizeof(unsigned long) * buffer_size);
+        event_buffer = vmalloc(array_size(buffer_size, sizeof(unsigned long)));
         if (!event_buffer)
                 return -ENOMEM;