1 files changed, 2 insertions, 6 deletions

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index a83152e7d387..f4a19509cccf 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1129,16 +1129,12 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond,
         if (constrs->rules_num >= constrs->rules_all) {
                 struct snd_pcm_hw_rule *new;
                 unsigned int new_rules = constrs->rules_all + 16;
-                new = kcalloc(new_rules, sizeof(*c), GFP_KERNEL);
+                new = krealloc(constrs->rules, new_rules * sizeof(*c),
+                               GFP_KERNEL);
                 if (!new) {
                         va_end(args);
                         return -ENOMEM;
                 }
-                if (constrs->rules) {
-                        memcpy(new, constrs->rules,
-                               constrs->rules_num * sizeof(*c));
-                        kfree(constrs->rules);
-                }
                 constrs->rules = new;
                 constrs->rules_all = new_rules;
         }