On Thu, Oct 31, 2019 at 07:38:21PM +0800, Yi Li wrote: > From: Yi Li <yilikernel@xxxxxxxxx> > > Use the break condition of loop body. > PTR_ERR has some meanings when p is illegal,and return 0 when p is null. > set the err = 0 on the next iteration if err > 0. IDGI. PTR_ERR() is not going to cause any kind of undefined behaviour for any valid pointer and it's trivial to evaluate. What's the point?
