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: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230118074920.1772141-1-yangyingliang@huawei.com
This commit is contained in:
Yang Yingliang 2023-01-18 15:49:20 +08:00 committed by Suzuki K Poulose
parent 2d4103ae31
commit 075c7c04a8

View File

@ -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;
}