On 02/06/2021 12:21, Dan Carpenter wrote: > On Wed, Jun 02, 2021 at 11:37:22AM +0100, Colin King wrote: >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> >> >> The call to rsnd_node_count can potentially return a zero node count >> so add a check for this corner case. (Note that the two other calls >> to rsnd_node_count in the kernel perform this check, so I think it >> justifies adding this). This avoids using a zero nr in a devm_kcalloc >> call. > > I don't have a problem with the patch, but really the code works fine > as is. A better commit message is: > > Most callers of_get_child_count() check that "nr" is non-zero so it > causes a static checker warning when we don't do that here. This > doesn't cause a problem or a crash, but having zero SSUIes (What's > plural of ssui?) doesn't make sense either so let's add a check. Good idea. I'll send a V2. Thanks Dan. > > regards, > dan carpenter >