[PATCH] [media] tc358743: Handle return value of clk_prepare_enable

From: Arvind Yadav
Date: Wed May 31 2017 - 05:32:13 EST


clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/media/i2c/tc358743.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index acef4ec..0b30f7b 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -1730,7 +1730,11 @@ static int tc358743_probe_of(struct tc358743_state *state)

state->bus = endpoint->bus.mipi_csi2;

- clk_prepare_enable(refclk);
+ ret = clk_prepare_enable(refclk);
+ if (ret) {
+ dev_err(dev, "Failed! to enable clock\n");
+ goto free_endpoint;
+ }

state->pdata.refclk_hz = clk_get_rate(refclk);
state->pdata.ddc5v_delay = DDC5V_DELAY_100_MS;
--
1.9.1