diff mbox

[-next] firmware: arm_sdei: Fix return value check in sdei_present_dt()

Message ID 1516012913-196560-1-git-send-email-weiyongjun1@huawei.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wei Yongjun Jan. 15, 2018, 10:41 a.m. UTC
In case of error, the function of_platform_device_create() returns
NULL pointer not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.

Fixes: 677a60bd2003 ("firmware: arm_sdei: Discover SDEI support via ACPI")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/firmware/arm_sdei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

James Morse Jan. 15, 2018, 10:38 a.m. UTC | #1
Hi Wei,

On 15/01/18 10:41, Wei Yongjun wrote:
> In case of error, the function of_platform_device_create() returns
> NULL pointer not ERR_PTR(). The IS_ERR() test in the return value
> check should be replaced with NULL test.

Bother, so it does!

Thanks for catching this.
Acked-by: James Morse <james.morse@arm.com>


Thanks,

James
Catalin Marinas Jan. 15, 2018, 6:17 p.m. UTC | #2
On Mon, Jan 15, 2018 at 10:41:53AM +0000, Wei Yongjun wrote:
> In case of error, the function of_platform_device_create() returns
> NULL pointer not ERR_PTR(). The IS_ERR() test in the return value
> check should be replaced with NULL test.
> 
> Fixes: 677a60bd2003 ("firmware: arm_sdei: Discover SDEI support via ACPI")
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Applied. Thanks.
diff mbox

Patch

diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 8f6563c..1ea7164 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -1023,7 +1023,7 @@  static bool __init sdei_present_dt(void)
 
 	pdev = of_platform_device_create(np, sdei_driver.driver.name, NULL);
 	of_node_put(np);
-	if (IS_ERR(pdev))
+	if (!pdev)
 		return false;
 
 	return true;