* [PATCH] switchtec: checking for NULL instead of IS_ERR()
@ 2017-04-12 8:35 Dan Carpenter
2017-04-12 16:47 ` Logan Gunthorpe
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2017-04-12 8:35 UTC (permalink / raw)
To: Kurt Schwemmer, Logan Gunthorpe
Cc: Stephen Bates, Bjorn Helgaas, linux-pci, kernel-janitors
stuser_create() uses error pointers, it never returns NULL.
Fixes: 74004262f329 ("MicroSemi Switchtec management interface driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index fcde98161d9a..cc6e085008fb 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -608,7 +608,7 @@ static int switchtec_dev_open(struct inode *inode, struct file *filp)
stdev = container_of(inode->i_cdev, struct switchtec_dev, cdev);
stuser = stuser_create(stdev);
- if (!stuser)
+ if (IS_ERR(stuser))
return PTR_ERR(stuser);
filp->private_data = stuser;
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] switchtec: checking for NULL instead of IS_ERR()
2017-04-12 8:35 [PATCH] switchtec: checking for NULL instead of IS_ERR() Dan Carpenter
@ 2017-04-12 16:47 ` Logan Gunthorpe
0 siblings, 0 replies; 2+ messages in thread
From: Logan Gunthorpe @ 2017-04-12 16:47 UTC (permalink / raw)
To: Dan Carpenter, Kurt Schwemmer
Cc: Stephen Bates, Bjorn Helgaas, linux-pci, kernel-janitors
Hi Dan,
Thanks for the fix. This is the exact same patch Christophe Jaillet sent
a couple of days ago so only one needs to be merged.
Logan
On 12/04/17 02:35 AM, Dan Carpenter wrote:
> stuser_create() uses error pointers, it never returns NULL.
>
> Fixes: 74004262f329 ("MicroSemi Switchtec management interface driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
> index fcde98161d9a..cc6e085008fb 100644
> --- a/drivers/pci/switch/switchtec.c
> +++ b/drivers/pci/switch/switchtec.c
> @@ -608,7 +608,7 @@ static int switchtec_dev_open(struct inode *inode, struct file *filp)
> stdev = container_of(inode->i_cdev, struct switchtec_dev, cdev);
>
> stuser = stuser_create(stdev);
> - if (!stuser)
> + if (IS_ERR(stuser))
> return PTR_ERR(stuser);
>
> filp->private_data = stuser;
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-04-12 16:47 ` Logan Gunthorpe
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