On Mar 22 Williams, Dan J wrote: > On Thu, Mar 22, 2012 at 7:39 AM, Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Mar 21, 2012 at 11:32:14PM -0700, Dan Williams wrote: > [..] > >> diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c > >> index 7fdf6a7..86521ee 100644 > >> --- a/fs/sysfs/dir.c > >> +++ b/fs/sysfs/dir.c > >> @@ -714,6 +714,9 @@ int sysfs_create_dir(struct kobject * kobj) > >> else > >> parent_sd = &sysfs_root; > >> > >> + if (!parent_sd) > >> + return -ENOENT; > >> + > >> if (sysfs_ns_type(parent_sd)) > >> ns = kobj->ktype->namespace(kobj); > >> type = sysfs_read_ns_type(kobj); > > > > So what happens if this is true? Does this patch fix the oops? > > This patch downgrades the oops by turning it into a device_add() > failure, but the patches that *fix* this warning are here [1] and here > [2]. [...] > [1]: http://marc.info/?l=linux-scsi&m=133239707903443&w=2 > [2]: http://marc.info/?l=linux-scsi&m=133239709603452&w=2 Isn't this something which is to be accomplished by counting references to the parent device? -- Stefan Richter -=====-===-- --== =-==- http://arcgraph.de/sr/ -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
