Re: [PATCH] sata: ahci-da850: Fix some error handling paths in 'ahci_da850_probe()'

From: Sergei Shtylyov
Date: Wed Aug 16 2017 - 05:05:02 EST


Hello!

On 8/16/2017 8:31 AM, Christophe JAILLET wrote:

'rc' is known to be 0 at this point.
If 'platform_get_resource()' or 'devm_ioremap()' fail, return -ENOMEM
instead of 0 which means success.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/ata/ahci_da850.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/ahci_da850.c b/drivers/ata/ahci_da850.c
index 1a50cd3b4233..eb46cad4d514 100644
--- a/drivers/ata/ahci_da850.c
+++ b/drivers/ata/ahci_da850.c
@@ -216,12 +216,16 @@ static int ahci_da850_probe(struct platform_device *pdev)
return rc;
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res)
+ if (!res) {
+ rc = -ENOMEM;

-ENODEV would fit better here.

[...]

MBR, Sergei