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author | Bob Moore <robert.moore@intel.com> | 2007-02-02 19:48:19 +0300 |
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committer | Len Brown <len.brown@intel.com> | 2007-02-02 21:14:21 -0500 |
commit | c5fc42ac4d4d6d3e3f619290b86890cb3725d2f8 (patch) | |
tree | 884123d40fe2abf621ec436e55b2d79efa5b474a /drivers/acpi/tables/tbxface.c | |
parent | f3d2e7865c816258c699ff965768e46b50d536d3 (diff) | |
download | kernel_samsung_smdk4412-c5fc42ac4d4d6d3e3f619290b86890cb3725d2f8.zip kernel_samsung_smdk4412-c5fc42ac4d4d6d3e3f619290b86890cb3725d2f8.tar.gz kernel_samsung_smdk4412-c5fc42ac4d4d6d3e3f619290b86890cb3725d2f8.tar.bz2 |
ACPICA: misc fixes for new Table Manager:
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/tables/tbxface.c')
-rw-r--r-- | drivers/acpi/tables/tbxface.c | 58 |
1 files changed, 35 insertions, 23 deletions
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c index 77439fc..78ce542 100644 --- a/drivers/acpi/tables/tbxface.c +++ b/drivers/acpi/tables/tbxface.c @@ -82,9 +82,8 @@ acpi_status acpi_initialize_tables(struct acpi_table_desc *initial_table_array, u32 initial_table_count, u8 allow_resize) { - acpi_physical_address address; + acpi_physical_address rsdp_address; acpi_status status; - struct acpi_table_rsdp *rsdp; ACPI_FUNCTION_TRACE(acpi_initialize_tables); @@ -94,7 +93,7 @@ acpi_initialize_tables(struct acpi_table_desc *initial_table_array, */ if (!initial_table_array) { acpi_gbl_root_table_list.size = initial_table_count; - acpi_gbl_root_table_list.flags = ACPI_TABLE_FLAGS_ALLOW_RESIZE; + acpi_gbl_root_table_list.flags = ACPI_ROOT_ALLOW_RESIZE; status = acpi_tb_resize_root_table_list(); if (ACPI_FAILURE(status)) { @@ -103,37 +102,33 @@ acpi_initialize_tables(struct acpi_table_desc *initial_table_array, } else { /* Root Table Array has been statically allocated by the host */ + ACPI_MEMSET(initial_table_array, + initial_table_count * + sizeof(struct acpi_table_desc), 0); + acpi_gbl_root_table_list.tables = initial_table_array; acpi_gbl_root_table_list.size = initial_table_count; - acpi_gbl_root_table_list.flags = ACPI_TABLE_ORIGIN_UNKNOWN; + acpi_gbl_root_table_list.flags = ACPI_ROOT_ORIGIN_UNKNOWN; if (allow_resize) { - acpi_gbl_root_table_list.flags = - ACPI_TABLE_FLAGS_ALLOW_RESIZE; + acpi_gbl_root_table_list.flags |= + ACPI_ROOT_ALLOW_RESIZE; } } - /* Get the RSDP and map it */ + /* Get the address of the RSDP */ - address = acpi_os_get_root_pointer(); - if (!address) { + rsdp_address = acpi_os_get_root_pointer(); + if (!rsdp_address) { return_ACPI_STATUS(AE_NOT_FOUND); } - rsdp = acpi_os_map_memory(address, sizeof(struct acpi_table_rsdp)); - if (!rsdp) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - ACPI_INFO((AE_INFO, "%.8s @ 0x%p", - rsdp->signature, ACPI_CAST_PTR(void, address))); - /* * Get the root table (RSDT or XSDT) and extract all entries to the local * Root Table Array. This array contains the information of the RSDT/XSDT * in a common, more useable format. */ - status = acpi_tb_parse_root_table(rsdp, ACPI_TABLE_ORIGIN_MAPPED); - acpi_os_unmap_memory(rsdp, sizeof(struct acpi_table_rsdp)); + status = + acpi_tb_parse_root_table(rsdp_address, ACPI_TABLE_ORIGIN_MAPPED); return_ACPI_STATUS(status); } @@ -164,8 +159,7 @@ acpi_status acpi_reallocate_root_table(void) * Only reallocate the root table if the host provided a static buffer * for the table array in the call to acpi_initialize_tables. */ - if ((acpi_gbl_root_table_list.flags & ACPI_TABLE_ORIGIN_MASK) != - ACPI_TABLE_ORIGIN_UNKNOWN) { + if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { return_ACPI_STATUS(AE_SUPPORT); } @@ -185,7 +179,7 @@ acpi_status acpi_reallocate_root_table(void) acpi_gbl_root_table_list.size = acpi_gbl_root_table_list.count; acpi_gbl_root_table_list.tables = tables; acpi_gbl_root_table_list.flags = - ACPI_TABLE_ORIGIN_ALLOCATED | ACPI_TABLE_FLAGS_ALLOW_RESIZE; + ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE; return_ACPI_STATUS(AE_OK); } @@ -247,6 +241,12 @@ acpi_get_table_header(char *signature, acpi_native_uint i; acpi_native_uint j; + /* Parameter validation */ + + if (!signature || !out_table_header) { + return (AE_BAD_PARAMETER); + } + /* * Walk the root table list */ @@ -267,7 +267,7 @@ acpi_get_table_header(char *signature, acpi_gbl_root_table_list.tables[i]. flags & ACPI_TABLE_ORIGIN_MASK); - if (!out_table_header) { + if (!(*out_table_header)) { return (AE_NO_MEMORY); } @@ -339,6 +339,12 @@ acpi_get_table(char *signature, acpi_native_uint j; acpi_status status; + /* Parameter validation */ + + if (!signature || !out_table) { + return (AE_BAD_PARAMETER); + } + /* * Walk the root table list */ @@ -387,6 +393,12 @@ acpi_get_table_by_index(acpi_native_uint table_index, ACPI_FUNCTION_TRACE(acpi_get_table_by_index); + /* Parameter validation */ + + if (!table) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); /* Validate index */ |