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

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

Fixes: f78d206f3d ("Coresight: Add Coresight TMC Control Unit driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/dab039b9-d58a-41be-92f0-ff209cfabfe2@stanley.mountain
This commit is contained in:
Dan Carpenter
2025-03-14 13:55:10 +03:00
committed by Suzuki K Poulose
parent b5060c17f9
commit 5442d22da7
1 changed files with 2 additions and 2 deletions
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4
drivers/hwtracing/coresight/coresight-ctcu-core.c
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@@ -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))