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[media] tc358743: 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 <arvind.yadav.cs@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Arvind Yadav 8 years ago
parent
commit
43b288baa8
1 changed files with 5 additions and 1 deletions
  1. 5 1
      drivers/media/i2c/tc358743.c

+ 5 - 1
drivers/media/i2c/tc358743.c

@@ -1731,7 +1731,11 @@ 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;