Hi Alex, On 08/10/14 09:06, Alexander Aring wrote: > Hi Martin, > > On Wed, Oct 08, 2014 at 09:54:58AM +0200, Alexander Aring wrote: > ... >> here we lost the skb reference from parameter if failed and I don't see >> that skb_unshare free it on failing (maybe I am wrong here). >> > I will do this step by step. > > 1. call skb_unshare > > 2. check if cloned > > 3. call skb_copy > > 4. call __alloc_skb > > 5. __alloc_skb return NULL > > 6. assign to temp nskb; > > 7. parameter skb will be freed. kfree_skb(skb). > > 8. skb = nskb; > > 9. return skb; > > So I see that kfree_skb(skb) is always called also on failure. Yes this caught me out too :) > So your code seems to be correct. This is a lack of documentation. > > - Alex So is v3 patch good to go? - Martin. -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
