1 files changed, 4 insertions, 1 deletions

diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 9415dd9e63e..520118888f1 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -228,7 +228,10 @@ static void change(char *dev, char *what, unsigned char *addr,
                        "buffer\n");
 
         pid = change_tramp(argv, output, output_len);
-        if (pid < 0) return;
+        if (pid < 0) {
+                kfree(output);
+                return;
+        }
 
         if (output != NULL) {
                 printk("%s", output);