diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpi_platform.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/psargs.c | 9 | ||||
| -rw-r--r-- | drivers/acpi/apei/einj.c | 15 | ||||
| -rw-r--r-- | drivers/acpi/nfit.c | 15 |
4 files changed, 27 insertions, 14 deletions
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 296b7a14893a..b6f7fa3a1d40 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -62,7 +62,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) if (count < 0) { return NULL; } else if (count > 0) { - resources = kmalloc(count * sizeof(struct resource), + resources = kzalloc(count * sizeof(struct resource), GFP_KERNEL); if (!resources) { dev_err(&adev->dev, "No memory for resources\n"); diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 305218539df2..d48cbed342c1 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -269,8 +269,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, */ if (ACPI_SUCCESS(status) && possible_method_call && (node->type == ACPI_TYPE_METHOD)) { - if (GET_CURRENT_ARG_TYPE(walk_state->arg_types) == - ARGP_SUPERNAME) { + if (walk_state->opcode == AML_UNLOAD_OP) { /* * acpi_ps_get_next_namestring has increased the AML pointer, * so we need to restore the saved AML pointer for method call. @@ -697,7 +696,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state * * PARAMETERS: walk_state - Current state * parser_state - Current parser state object - * arg_type - The parser argument type (ARGP_*) + * arg_type - The argument type (AML_*_ARG) * return_arg - Where the next arg is returned * * RETURN: Status, and an op object containing the next argument. @@ -817,9 +816,9 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NO_MEMORY); } - /* super_name allows argument to be a method call */ + /* To support super_name arg of Unload */ - if (arg_type == ARGP_SUPERNAME) { + if (walk_state->opcode == AML_UNLOAD_OP) { status = acpi_ps_get_next_namepath(walk_state, parser_state, arg, diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index 0431883653be..559c1173de1c 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -519,7 +519,7 @@ static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2, u64 param3, u64 param4) { int rc; - unsigned long pfn; + u64 base_addr, size; /* If user manually set "flags", make sure it is legal */ if (flags && (flags & @@ -545,10 +545,17 @@ static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2, /* * Disallow crazy address masks that give BIOS leeway to pick * injection address almost anywhere. Insist on page or - * better granularity and that target address is normal RAM. + * better granularity and that target address is normal RAM or + * NVDIMM. */ - pfn = PFN_DOWN(param1 & param2); - if (!page_is_ram(pfn) || ((param2 & PAGE_MASK) != PAGE_MASK)) + base_addr = param1 & param2; + size = ~param2 + 1; + + if (((param2 & PAGE_MASK) != PAGE_MASK) || + ((region_intersects(base_addr, size, IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE) + != REGION_INTERSECTS) && + (region_intersects(base_addr, size, IORESOURCE_MEM, IORES_DESC_PERSISTENT_MEMORY) + != REGION_INTERSECTS))) return -EINVAL; inject: diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index fb53db187854..35947ac87644 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -1590,14 +1590,21 @@ static int acpi_nfit_find_poison(struct acpi_nfit_desc *acpi_desc, start = ndr_desc->res->start; len = ndr_desc->res->end - ndr_desc->res->start + 1; + /* + * If ARS is unimplemented, unsupported, or if the 'Persistent Memory + * Scrub' flag in extended status is not set, skip this but continue + * initialization + */ rc = ars_get_cap(nd_desc, ars_cap, start, len); + if (rc == -ENOTTY) { + dev_dbg(acpi_desc->dev, + "Address Range Scrub is not implemented, won't create an error list\n"); + rc = 0; + goto out; + } if (rc) goto out; - /* - * If ARS is unsupported, or if the 'Persistent Memory Scrub' flag in - * extended status is not set, skip this but continue initialization - */ if ((ars_cap->status & 0xffff) || !(ars_cap->status >> 16 & ND_ARS_PERSISTENT)) { dev_warn(acpi_desc->dev, |
