diff options
| author | Kamenee Arumugam <kamenee.arumugam@intel.com> | 2018-02-01 21:37:30 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-02-01 23:43:32 +0100 |
| commit | 953a9cebeab43f33baed79d1a9ef643bfb249c4b (patch) | |
| tree | 139004705604d5121675065b3ec0ebd26ce5b9a3 /drivers/infiniband/hw/hfi1 | |
| parent | IB/core: Avoid a potential OOPs for an unused optional parameter (diff) | |
| download | linux-953a9cebeab43f33baed79d1a9ef643bfb249c4b.tar.xz linux-953a9cebeab43f33baed79d1a9ef643bfb249c4b.zip | |
IB/hfi1: Convert kzalloc_node and kcalloc to use kcalloc_node
Kzalloc_node API doesn't check for overflows in size multiplication.
While kcalloc API check for overflows in size multiplication
but these implementations are not NUMA-aware.
This conversion allowed for correcting an allocation used in the hot
path to be on the local NUMA and ensure us overflow free multiplication
for the size of a memory allocation.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/init.c | 17 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/pio.c | 15 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/sdma.c | 3 |
3 files changed, 19 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c index 8c4f04032b28..33eba2356742 100644 --- a/drivers/infiniband/hw/hfi1/init.c +++ b/drivers/infiniband/hw/hfi1/init.c @@ -172,7 +172,7 @@ int hfi1_create_kctxts(struct hfi1_devdata *dd) u16 i; int ret; - dd->rcd = kzalloc_node(dd->num_rcv_contexts * sizeof(*dd->rcd), + dd->rcd = kcalloc_node(dd->num_rcv_contexts, sizeof(*dd->rcd), GFP_KERNEL, dd->node); if (!dd->rcd) return -ENOMEM; @@ -439,15 +439,16 @@ int hfi1_create_ctxtdata(struct hfi1_pportdata *ppd, int numa, * The resulting value will be rounded down to the closest * multiple of dd->rcv_entries.group_size. */ - rcd->egrbufs.buffers = kzalloc_node( - rcd->egrbufs.count * sizeof(*rcd->egrbufs.buffers), - GFP_KERNEL, numa); + rcd->egrbufs.buffers = + kcalloc_node(rcd->egrbufs.count, + sizeof(*rcd->egrbufs.buffers), + GFP_KERNEL, numa); if (!rcd->egrbufs.buffers) goto bail; - rcd->egrbufs.rcvtids = kzalloc_node( - rcd->egrbufs.count * - sizeof(*rcd->egrbufs.rcvtids), - GFP_KERNEL, numa); + rcd->egrbufs.rcvtids = + kcalloc_node(rcd->egrbufs.count, + sizeof(*rcd->egrbufs.rcvtids), + GFP_KERNEL, numa); if (!rcd->egrbufs.rcvtids) goto bail; rcd->egrbufs.size = eager_buffer_size; diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c index 4c1198bc5e70..40dac4d16eb8 100644 --- a/drivers/infiniband/hw/hfi1/pio.c +++ b/drivers/infiniband/hw/hfi1/pio.c @@ -455,8 +455,8 @@ int init_send_contexts(struct hfi1_devdata *dd) dd->hw_to_sw = kmalloc_array(TXE_NUM_CONTEXTS, sizeof(u8), GFP_KERNEL); dd->send_contexts = kcalloc(dd->num_send_contexts, - sizeof(struct send_context_info), - GFP_KERNEL); + sizeof(struct send_context_info), + GFP_KERNEL); if (!dd->send_contexts || !dd->hw_to_sw) { kfree(dd->hw_to_sw); kfree(dd->send_contexts); @@ -856,8 +856,9 @@ struct send_context *sc_alloc(struct hfi1_devdata *dd, int type, * so head == tail can mean empty. */ sc->sr_size = sci->credits + 1; - sc->sr = kzalloc_node(sizeof(union pio_shadow_ring) * - sc->sr_size, GFP_KERNEL, numa); + sc->sr = kcalloc_node(sc->sr_size, + sizeof(union pio_shadow_ring), + GFP_KERNEL, numa); if (!sc->sr) { sc_free(sc); return NULL; @@ -1958,9 +1959,9 @@ int init_pervl_scs(struct hfi1_devdata *dd) hfi1_init_ctxt(dd->vld[15].sc); dd->vld[15].mtu = enum_to_mtu(OPA_MTU_2048); - dd->kernel_send_context = kzalloc_node(dd->num_send_contexts * - sizeof(struct send_context *), - GFP_KERNEL, dd->node); + dd->kernel_send_context = kcalloc_node(dd->num_send_contexts, + sizeof(struct send_context *), + GFP_KERNEL, dd->node); if (!dd->kernel_send_context) goto freesc15; diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c index 37424a81a7c9..d8ddbfdf3a4d 100644 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ b/drivers/infiniband/hw/hfi1/sdma.c @@ -1389,7 +1389,8 @@ int sdma_init(struct hfi1_devdata *dd, u8 port) num_engines, descq_cnt); /* alloc memory for array of send engines */ - dd->per_sdma = kcalloc(num_engines, sizeof(*dd->per_sdma), GFP_KERNEL); + dd->per_sdma = kcalloc_node(num_engines, sizeof(*dd->per_sdma), + GFP_KERNEL, dd->node); if (!dd->per_sdma) return ret; |