1 files changed, 2 insertions, 4 deletions

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 483cecfa5c17..4eeae4674b5a 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -439,7 +439,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
 {
         struct blk_trace *old_bt, *bt = NULL;
         struct dentry *dir = NULL;
-        int ret, i;
+        int ret;
 
         if (!buts->buf_size || !buts->buf_nr)
                 return -EINVAL;
@@ -451,9 +451,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
          * some device names have larger paths - convert the slashes
          * to underscores for this to work as expected
          */
-        for (i = 0; i < strlen(buts->name); i++)
-                if (buts->name[i] == '/')
-                        buts->name[i] = '_';
+        strreplace(buts->name, '/', '_');
 
         bt = kzalloc(sizeof(*bt), GFP_KERNEL);
         if (!bt)