pcmcia: soc_common: Handle return value of clk_prepare_enable

clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <[email protected]> CC: Russell King <[email protected]> Signed-off-by: Dominik Brodowski <[email protected]>
ambv · Jan 24, 2018 · d3fdd70 · d3fdd70
1 parent 3490a69
commit d3fdd70
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
@@ -191,12 +191,16 @@ static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
 	int ret = 0, i;
 
-	clk_prepare_enable(skt->clk);
+	ret = clk_prepare_enable(skt->clk);
+	if (ret)
+		return ret;
 
 	if (skt->ops->hw_init) {
 		ret = skt->ops->hw_init(skt);
-		if (ret)
+		if (ret) {
+			clk_disable_unprepare(skt->clk);
 			return ret;
+		}
 	}
 
 	for (i = 0; i < ARRAY_SIZE(skt->stat); i++) {