13 Apr
2015
13 Apr
'15
12:38 p.m.
On Mon, Apr 13, 2015 at 09:03:39AM +0800, Jin, Yao wrote:
The NULL check here is to proivde the protection for current code and future potential code. It's possible that in future some code may change the pointer ipc->msg and the author may miss the kfree here.
That's not the point - the point is that if it's ever valid to call kfree() then passing a null pointer in is fine.