diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 6de773d3a0cfde3d526f8dfdd2d41c9c3c7f56e9..becca914507020d412bd164dcf0286124a014782 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -218,6 +218,8 @@ static int atmci_regs_show(struct seq_file *s, void *v)
 	atmci_show_status_reg(s, "SR", buf[MCI_SR / 4]);
 	atmci_show_status_reg(s, "IMR", buf[MCI_IMR / 4]);
 
+	kfree(buf);
+
 	return 0;
 }