Messages in this thread | | | Date | Mon, 13 Feb 2017 17:01:56 +0300 | From | Dan Carpenter <> | Subject | Re: IB/hfi1: Use memdup_user() rather than duplicating its implementation in hfi1_user_sdma_process_request() |
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On Mon, Feb 13, 2017 at 12:12:51PM +0100, SF Markus Elfring wrote: > >> Thanks for the patch, but this one is already taken care of along > >> with other similar uses of kmalloc/copy: > >> > >> http://marc.info/?l=linux-rdma&m=148656088729538&w=2 > >> > > > > Michael's patch doesn't change user_sdma_free_request() so it introduces > > a kfreeing an error pointer bug. > > Did you notice that another local variable “tmp” was introduced in the update step > “[PATCH 27/27] IB/hfi1: Code reuse with memdup_copy” so that > the mentioned function will usually get a null pointer after a failure there? >
Ah right. Thanks. I missed that.
regards, dan carpenter
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