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path: root/drivers/acpi/executer/exnames.c
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Diffstat (limited to 'drivers/acpi/executer/exnames.c')
-rw-r--r--drivers/acpi/executer/exnames.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 054fe5e1a314..d3d70364626c 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -77,7 +77,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
char *name_string;
u32 size_needed;
- ACPI_FUNCTION_TRACE("ex_allocate_name_string");
+ ACPI_FUNCTION_TRACE(ex_allocate_name_string);
/*
* Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
@@ -85,6 +85,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
* This may actually be somewhat longer than needed.
*/
if (prefix_count == ACPI_UINT32_MAX) {
+
/* Special case for root */
size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
@@ -97,7 +98,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
* Allocate a buffer for the name.
* This buffer must be deleted by the caller!
*/
- name_string = ACPI_MEM_ALLOCATE(size_needed);
+ name_string = ACPI_ALLOCATE(size_needed);
if (!name_string) {
ACPI_ERROR((AE_INFO,
"Could not allocate size %d", size_needed));
@@ -119,11 +120,13 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
/* Set up Dual or Multi prefixes if needed */
if (num_name_segs > 2) {
+
/* Set up multi prefixes */
*temp_ptr++ = AML_MULTI_NAME_PREFIX_OP;
*temp_ptr++ = (char)num_name_segs;
} else if (2 == num_name_segs) {
+
/* Set up dual prefixes */
*temp_ptr++ = AML_DUAL_NAME_PREFIX;
@@ -159,7 +162,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
u32 index;
char char_buf[5];
- ACPI_FUNCTION_TRACE("ex_name_segment");
+ ACPI_FUNCTION_TRACE(ex_name_segment);
/*
* If first character is a digit, then we know that we aren't looking at a
@@ -176,7 +179,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
for (index = 0;
(index < ACPI_NAME_SIZE)
- && (acpi_ut_valid_acpi_character(*aml_address)); index++) {
+ && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
char_buf[index] = *aml_address++;
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
}
@@ -184,6 +187,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
/* Valid name segment */
if (index == 4) {
+
/* Found 4 valid characters */
char_buf[4] = '\0';
@@ -249,11 +253,12 @@ acpi_ex_get_name_string(acpi_object_type data_type,
u32 prefix_count = 0;
u8 has_prefix = FALSE;
- ACPI_FUNCTION_TRACE_PTR("ex_get_name_string", aml_address);
+ ACPI_FUNCTION_TRACE_PTR(ex_get_name_string, aml_address);
if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type ||
ACPI_TYPE_LOCAL_BANK_FIELD == data_type ||
ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) {
+
/* Disallow prefixes for types associated with field_unit names */
name_string = acpi_ex_allocate_name_string(0, 1);
@@ -272,7 +277,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
case AML_ROOT_PREFIX:
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "root_prefix(\\) at %p\n",
+ "RootPrefix(\\) at %p\n",
aml_address));
/*
@@ -290,7 +295,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
do {
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "parent_prefix (^) at %p\n",
+ "ParentPrefix (^) at %p\n",
aml_address));
aml_address++;
@@ -314,7 +319,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
case AML_DUAL_NAME_PREFIX:
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "dual_name_prefix at %p\n",
+ "DualNamePrefix at %p\n",
aml_address));
aml_address++;
@@ -341,7 +346,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
case AML_MULTI_NAME_PREFIX_OP:
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "multi_name_prefix at %p\n",
+ "MultiNamePrefix at %p\n",
aml_address));
/* Fetch count of segments remaining in name path */
@@ -377,7 +382,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
if (prefix_count == ACPI_UINT32_MAX) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "name_seg is \"\\\" followed by NULL\n"));
+ "NameSeg is \"\\\" followed by NULL\n"));
}
/* Consume the NULL byte */
@@ -410,6 +415,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
}
if (AE_CTRL_PENDING == status && has_prefix) {
+
/* Ran out of segments after processing a prefix */
ACPI_ERROR((AE_INFO, "Malformed Name at %p", name_string));
@@ -418,7 +424,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
if (ACPI_FAILURE(status)) {
if (name_string) {
- ACPI_MEM_FREE(name_string);
+ ACPI_FREE(name_string);
}
return_ACPI_STATUS(status);
}
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