Commit 075c7c04 authored by Yang Yingliang's avatar Yang Yingliang Committed by Suzuki K Poulose
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coresight: ultrasoc-smb: fix return value check in smb_init_data_buffer() 



platform_get_resource() returns NULL pointer not PTR_ERR(), replace
the IS_ERR() check with NULL pointer check.

Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230118074920.1772141-1-yangyingliang@huawei.com
parent 2d4103ae

drivers/hwtracing/coresight/ultrasoc-smb.c

+1 −1
Original line number Diff line number Diff line
@@ -455,7 +455,7 @@ static int smb_init_data_buffer(struct platform_device *pdev, 
	void *base;



	res = platform_get_resource(pdev, IORESOURCE_MEM, SMB_BUF_ADDR_RES);

	if (IS_ERR(res)) {

	if (!res) {

		dev_err(&pdev->dev, "SMB device failed to get resource\n");

		return -EINVAL;

	}