From: Mustafa Ismail Date: Wed, 15 Mar 2023 14:52:29 +0000 (-0500) Subject: RDMA/irdma: Fix memory leak of PBLE objects X-Git-Tag: v6.6-pxa1908~1508^2~9 X-Git-Url: https://git.dujemihanovic.xyz/?a=commitdiff_plain;h=b69a6979dbaa2453675fe9c71bdc2497fedb11f9;p=linux.git RDMA/irdma: Fix memory leak of PBLE objects On rmmod of irdma, the PBLE object memory is not being freed. PBLE object memory are not statically pre-allocated at function initialization time unlike other HMC objects. PBLEs objects and the Segment Descriptors (SD) for it can be dynamically allocated during scale up and SD's remain allocated till function deinitialization. Fix this leak by adding IRDMA_HMC_IW_PBLE to the iw_hmc_obj_types[] table and skip pbles in irdma_create_hmc_obj but not in irdma_del_hmc_objects(). Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions") Signed-off-by: Mustafa Ismail Signed-off-by: Shiraz Saleem Link: https://lore.kernel.org/r/20230315145231.931-3-shiraz.saleem@intel.com Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 2e1e2bad0401..43dfa4761f06 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -41,6 +41,7 @@ static enum irdma_hmc_rsrc_type iw_hmc_obj_types[] = { IRDMA_HMC_IW_XFFL, IRDMA_HMC_IW_Q1, IRDMA_HMC_IW_Q1FL, + IRDMA_HMC_IW_PBLE, IRDMA_HMC_IW_TIMER, IRDMA_HMC_IW_FSIMC, IRDMA_HMC_IW_FSIAV, @@ -827,6 +828,8 @@ static int irdma_create_hmc_objs(struct irdma_pci_f *rf, bool privileged, info.entry_type = rf->sd_type; for (i = 0; i < IW_HMC_OBJ_TYPE_NUM; i++) { + if (iw_hmc_obj_types[i] == IRDMA_HMC_IW_PBLE) + continue; if (dev->hmc_info->hmc_obj[iw_hmc_obj_types[i]].cnt) { info.rsrc_type = iw_hmc_obj_types[i]; info.count = dev->hmc_info->hmc_obj[info.rsrc_type].cnt;