From: Colin Ian King Date: Fri, 5 Jun 2015 14:47:27 +0000 (+0100) Subject: RDMA/ocrdma: fix double free on pd X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4dc544427991e3cef38ce3ae124b7e6557063bd3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git RDMA/ocrdma: fix double free on pd A reorganisation of the PD allocation and deallocation in commit 9ba1377daa ("RDMA/ocrdma: Move PD resource management to driver.") introduced a double free on pd, as detected by static analysis by smatch: drivers/infiniband/hw/ocrdma/ocrdma_verbs.c:682 ocrdma_alloc_pd() error: double free of 'pd'^ The original call to ocrdma_mbx_dealloc_pd() (which does not kfree pd) was replaced with a call to _ocrdma_dealloc_pd() (which does kfree pd). The kfree following this call causes the double free, so just remove it to fix the problem. Fixes: 9ba1377daa ("RDMA/ocrdma: Move PD resource management to driver.") Signed-off-by: Colin Ian King Acked-By: Devesh Sharma Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index cf1f515efda8..19566907b4d2 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -684,7 +684,6 @@ err: ocrdma_release_ucontext_pd(uctx); } else { status = _ocrdma_dealloc_pd(dev, pd); - kfree(pd); } exit: return ERR_PTR(status);