Re: [PATCH] ACPI/IORT: Fix error handling

From: Hanjun Guo
Date: Mon Jan 23 2017 - 20:27:07 EST


Hi Christophe,

On 2017/1/24 4:50, Christophe JAILLET wrote:
If 'platform_device_alloc()' returns NULL, the current code returns
0, which means success. Return -ENOMEM instead.

Fixes: 846f0e9e74a0 ("ACPI/IORT: Add support for ARM SMMU platform devices creation")

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/acpi/arm64/iort.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index e0d2e6e6e40c..655407ad112e 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -828,7 +828,7 @@ static int __init iort_add_smmu_platform_device(struct acpi_iort_node *node)

pdev = platform_device_alloc(ops->name, PLATFORM_DEVID_AUTO);
if (!pdev)
- return PTR_ERR(pdev);
+ return -ENOMEM;

count = ops->iommu_count_resources(node);

Thanks for the fix, but Dan beats you to this fix [1] :)

[1]: http://www.spinics.net/lists/linux-acpi/msg71383.html

Thanks
Hanjun