On Thu, Feb 10, 2022 at 07:39:29PM +0100, Christophe JAILLET wrote: > Le 10/02/2022 à 14:04, Simon Horman a écrit : > > Hi Christophe, > > > > On Wed, Feb 09, 2022 at 07:58:47PM +0100, Christophe JAILLET wrote: > > > ida_simple_get() returns an id between min (0) and max (NFP_MAX_MAC_INDEX) > > > inclusive. > > > So NFP_MAX_MAC_INDEX (0xff) is a valid id > > > > > > In order for the error handling path to work correctly, the 'invalid' > > > value for 'ida_idx' should not be in the 0..NFP_MAX_MAC_INDEX range, > > > inclusive. > > > > > > So set it to -1. > > > > > > While at it, use ida_alloc_xxx()/ida_free() instead to > > > ida_simple_get()/ida_simple_remove(). > > > The latter is deprecated and more verbose. > > > > > > Fixes: 20cce8865098 ("nfp: flower: enable MAC address sharing for offloadable devs") > > > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> > > > > Thanks for your patch. > > > > I agree that it is indeed a problem and your fix looks good. > > I would, however, prefer if the patch was split into two: > > > > 1. Bug fix > > 2. ida_alloc_xxx()/ida_free() cleanup > > I'll send a v2. > > I added it because some other maintainers have asked for it in other similar > patches. Everyone's taste is different :). Thanks, much appreciated.