Messages in this thread | | | Date | Thu, 24 Mar 2011 17:05:29 +0200 | From | Sergey Senozhatsky <> | Subject | Re: check device_create_file() return code in usb_create_sysfs_intf_files() |
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On (03/24/11 10:55), Alan Stern wrote: > > I just noticed that usb_create_sysfs_intf_files() ignores device_create_file() > > return code and sets intf->sysfs_files_created to 1, even if sysfs_add_file_mode() > > returned -ENOMEM (or later sysfs_add_one() returned -EEXIST). > > > > Shouldn't we check retval for 0 before setting intf->sysfs_files_created? > > No. We want this routine to succeed even if the sysfs files can't be > created. The interface string attribute is more or less optional. > > It would be okay to add a comment explaining this, so that other people > don't make the same mistake (which has already happened -- you're not > the first). >
Thanks. Sorry for the noise then. Well, in that case, I guess, `int retval;' can be removed, since it's unused.
Best, Sergey [unhandled content-type:application/pgp-signature] | |