Commit 5442d22d authored by Dan Carpenter's avatar Dan Carpenter Committed by Suzuki K Poulose
Browse files

Coresight: Fix a NULL vs IS_ERR() bug in probe 



The devm_platform_get_and_ioremap_resource() function doesn't
return NULL, it returns error pointers.  Update the checking to
match.

Fixes: f78d206f ("Coresight: Add Coresight TMC Control Unit driver")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/dab039b9-d58a-41be-92f0-ff209cfabfe2@stanley.mountain
parent b5060c17

drivers/hwtracing/coresight/coresight-ctcu-core.c

+2 −2
Original line number Diff line number Diff line
@@ -204,8 +204,8 @@ static int ctcu_probe(struct platform_device *pdev) 
	dev->platform_data = pdata;



	base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);

	if (!base)

		return -ENOMEM;

	if (IS_ERR(base))

		return PTR_ERR(base);



	drvdata->apb_clk = coresight_get_enable_apb_pclk(dev);

	if (IS_ERR(drvdata->apb_clk))