On Mon, Mar 13, 2023 at 03:59:03PM +0200, Matti Vaittinen wrote: > On 3/13/23 15:25, Andy Shevchenko wrote: > > On Mon, Mar 13, 2023 at 02:47:45PM +0200, Matti Vaittinen wrote: > > > On 3/6/23 14:52, Andy Shevchenko wrote: > > > > On Mon, Mar 06, 2023 at 11:17:15AM +0200, Matti Vaittinen wrote: ... > > > > > + if (ret && gts->avail_all_scales_table) > > > > > > > > In one case you commented that free(NULL) is okay, in the other, you add > > > > a duplicative check. Why? > > > > > > Sorry but what do you mean by dublicative check? > > > > > > Usually I avoid the kfree(NULL). That's why I commented on it in that > > > another case where it was not explicitly disallowed. I'll change that for v4 > > > to avoid kfree(NULL) as you suggested. > > > > So, and with it you put now a double check for NULL, do you think it's okay? > > I don't. > > I don't see the double check. I see only one check just above the kfree()? > Where is the other check? if (... gts->avail_all_scales_table) is a double to one, which is inside kfree(). I.o.w. kfree() is NULL-aware and you know that. > > > > > + kfree(gts->avail_all_scales_table); -- With Best Regards, Andy Shevchenko