Messages in this thread | | | Date | Tue, 4 Dec 2007 03:02:02 -0500 (EST) | From | "Robert P. J. Day" <> | Subject | Re: The use of KOBJ_NAME_LEN |
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On Mon, 3 Dec 2007, Greg KH wrote:
> On Tue, Dec 04, 2007 at 01:50:53AM -0500, Robert P. J. Day wrote: > > On Tue, 4 Dec 2007, Dave Young wrote: > > > > > Hi, > > > Does the KOBJ_NAME_LEN really means the limit of kobject name length? seems not . And if it's true, is the KOBJ_NAME_LEN of 20 enough to use? > > > > > > In the kobject_set_name, the limit is 1024. Looks like either the comment or the code should be updated. > > > > > > /** > > > * kobject_set_name - Set the name of an object > > > * @kobj: object. > > > * @fmt: format string used to build the name > > > * > > > * If strlen(name) >= KOBJ_NAME_LEN, then use a dynamically allocated > > > * string that @kobj->k_name points to. Otherwise, use the static > > > * @kobj->name array. > > > */ > > > > the comment seems fairly clear -- if the name is sufficiently short, > > it's stored in the static array. if not, then it's stored in > > dynamically allocated space. > > Unfortunately, it's totally wrong, the code was updated by the comment > wasn't, sorry. See my patch to fix this.
ah, quite right, now i see what dave was talking about.
rday ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA
http://crashcourse.ca ========================================================================
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