Messages in this thread | | | Subject | Re: [PATCH 1/1] isdn: hisax: set error code on failure | From | Sergei Shtylyov <> | Date | Sun, 4 Dec 2016 13:14:18 +0300 |
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Hello.
On 12/4/2016 8:15 AM, Pan Bian wrote:
> From: Pan Bian <bianpan2016@163.com> > > In function hfc4s8s_probe(), the value of return variable err should be > negative on failures. However, when the call to request_region() returns > NULL, the value of err is 0. This patch fixes the bug, assiging > "-ENOMEM" to err on the path that request_region() fails. > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188931 > > Signed-off-by: Pan Bian <bianpan2016@163.com> > --- > drivers/isdn/hisax/hfc4s8s_l1.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/isdn/hisax/hfc4s8s_l1.c b/drivers/isdn/hisax/hfc4s8s_l1.c > index 9600cd7..3172cee 100644 > --- a/drivers/isdn/hisax/hfc4s8s_l1.c > +++ b/drivers/isdn/hisax/hfc4s8s_l1.c > @@ -1499,6 +1499,7 @@ struct hfc4s8s_l1 { > printk(KERN_INFO > "HFC-4S/8S: failed to request address space at 0x%04x\n", > hw->iobase); > + err = -ENOMEM;
-EBUSY fits request_region() better.
[..]
MBR, Sergei
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