On Thu, Sep 11, 2014 at 10:42:49AM +0300, Dan Carpenter wrote: > On Thu, Sep 11, 2014 at 03:17:52PM +0800, micky_ching@xxxxxxxxxxxxxx wrote: > > + err = pci_read_config_byte(pcr->pci, addr, &val); > > + if (err) > > + return err; > > Some of these check for "if (err) " and some check for "if (err < 0) ". > What is the significance of that? I'm a newbie here. Did you mean for > them to be different? You've updated them all to be "if (err < 0)" how is that different from "if (err)"? What I'm saying is that could you reply to the question? I guess I normally prefer "if (err)" over "if (err < 0)" but I don't know if it makes a difference here? regards, dan carpenter > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel