On Sun, Feb 15, 2004 at 02:45:51AM -0800, prasanna wakhare wrote: [...] > I think the minus is a bug. It should be plus. Let's > take a case where the > third parameter is NOT "list": > > struct list_head *ln; > struct pci_driver *drv = list_entry(ln, struct > pci_driver, node); > > "(unsigned long)(&((type *)0)->member)" gives you the > offset of name, which is [...] No, it gives you the offset of 'node' in 'struct pci_driver', which is then subtracted from the address of 'node'. And this yields just the address of the structure containing 'node'. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
