From d3fdd701248290b511683ff8d348073295f07833 Mon Sep 17 00:00:00 2001 From: Arvind Yadav Date: Thu, 1 Jun 2017 16:17:10 +0530 Subject: [PATCH] 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 CC: Russell King Signed-off-by: Dominik Brodowski --- drivers/pcmcia/soc_common.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 764650eb8897..c5f2344c189b 100644 --- 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++) { -- 2.30.2