PM / OPP: Use snprintf() to avoid kasprintf() and kfree()

Use snprintf() to avoid unnecessary initializations, avoid calling
kfree().

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c
index 81cf120fcf43..9318848f3c67 100644
--- a/drivers/opp/debugfs.c
+++ b/drivers/opp/debugfs.c
@@ -41,16 +41,15 @@ static bool opp_debug_create_supplies(struct dev_pm_opp *opp,
 {
         struct dentry *d;
         int i;
-        char *name;
 
         for (i = 0; i < opp_table->regulator_count; i++) {
-                name = kasprintf(GFP_KERNEL, "supply-%d", i);
+                char name[15];
+
+                snprintf(name, sizeof(name), "supply-%d", i);
 
                 /* Create per-opp directory */
                 d = debugfs_create_dir(name, pdentry);
 
-                kfree(name);
-
                 if (!d)
                         return false;