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authorYang Yingliang <yangyingliang@huawei.com>2023-01-18 15:49:20 +0800
committerSuzuki K Poulose <suzuki.poulose@arm.com>2023-01-19 10:04:44 +0000
commit075c7c04a81a326a5a28cc0ef8411ba1c5c34e90 (patch)
treeaee90ffc73a949dda52e73cf0cccc08043f8fa61
parent2d4103ae31aa6d5570fd1178ddc68867ab4ab5bd (diff)
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
-rw-r--r--drivers/hwtracing/coresight/ultrasoc-smb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c
index 2560fdbb8ebf..b317342c7ce5 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.c
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.c
@@ -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;
}