diff options
Diffstat (limited to 'drivers/cxl/core')
| -rw-r--r-- | drivers/cxl/core/features.c | 8 | ||||
| -rw-r--r-- | drivers/cxl/core/pmem.c | 10 | ||||
| -rw-r--r-- | drivers/cxl/core/ras.c | 1 |
3 files changed, 13 insertions, 6 deletions
diff --git a/drivers/cxl/core/features.c b/drivers/cxl/core/features.c index c3cb2060bbea..7b0eeb0788d3 100644 --- a/drivers/cxl/core/features.c +++ b/drivers/cxl/core/features.c @@ -649,7 +649,13 @@ static void *cxlctl_fw_rpc(struct fwctl_uctx *uctx, enum fwctl_rpc_scope scope, struct cxl_memdev *cxlmd = fwctl_to_memdev(fwctl_dev); struct cxl_features_state *cxlfs = to_cxlfs(cxlmd->cxlds); const struct fwctl_rpc_cxl *rpc_in = in; - u16 opcode = rpc_in->opcode; + u16 opcode; + + if (in_len < sizeof(rpc_in->hdr) || + rpc_in->op_size > in_len - sizeof(rpc_in->hdr)) + return ERR_PTR(-EINVAL); + + opcode = rpc_in->opcode; if (!cxlctl_validate_hw_command(cxlfs, rpc_in, scope, opcode)) return ERR_PTR(-EINVAL); diff --git a/drivers/cxl/core/pmem.c b/drivers/cxl/core/pmem.c index e3a8b8d81333..a62d84818f93 100644 --- a/drivers/cxl/core/pmem.c +++ b/drivers/cxl/core/pmem.c @@ -219,12 +219,14 @@ static struct cxl_nvdimm *cxl_nvdimm_alloc(struct cxl_nvdimm_bridge *cxl_nvb, dev->bus = &cxl_bus_type; dev->type = &cxl_nvdimm_type; /* - * A "%llx" string is 17-bytes vs dimm_id that is max - * NVDIMM_KEY_DESC_LEN + * dev_id is the nvdimm dimm_id used for security key lookup. + * It must match id_show(), which emits the CXL serial as an + * unsigned decimal. A u64 decimal string is at most 20 digits + * plus NUL. */ - BUILD_BUG_ON(sizeof(cxl_nvd->dev_id) < 17 || + BUILD_BUG_ON(sizeof(cxl_nvd->dev_id) < 21 || sizeof(cxl_nvd->dev_id) > NVDIMM_KEY_DESC_LEN); - sprintf(cxl_nvd->dev_id, "%llx", cxlmd->cxlds->serial); + sprintf(cxl_nvd->dev_id, "%llu", cxlmd->cxlds->serial); return cxl_nvd; } diff --git a/drivers/cxl/core/ras.c b/drivers/cxl/core/ras.c index 7056a79bff4d..f2d99865c6df 100644 --- a/drivers/cxl/core/ras.c +++ b/drivers/cxl/core/ras.c @@ -136,7 +136,6 @@ int cxl_ras_init(void) void cxl_ras_exit(void) { cxl_cper_unregister_prot_err_work(&cxl_cper_prot_err_work); - cancel_work_sync(&cxl_cper_prot_err_work); } static void cxl_dport_map_ras(struct cxl_dport *dport) |