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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 11:52:52 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 11:52:52 -0700 |
commit | 08acd4f8af42affd8cbed81cc1b69fa12ddb213f (patch) | |
tree | 988d15db6233b20db6a500cd5f590c6d2041462d /drivers/acpi/parser/psargs.c | |
parent | ccf2779544eecfcc5447e2028d1029b6d4ff7bb6 (diff) | |
parent | 008238b54ac2350babf195084ecedbcf7851a202 (diff) | |
download | op-kernel-dev-08acd4f8af42affd8cbed81cc1b69fa12ddb213f.zip op-kernel-dev-08acd4f8af42affd8cbed81cc1b69fa12ddb213f.tar.gz |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (179 commits)
ACPI: Fix acpi_processor_idle and idle= boot parameters interaction
acpi: fix section mismatch warning in pnpacpi
intel_menlo: fix build warning
ACPI: Cleanup: Remove unneeded, multiple local dummy variables
ACPI: video - fix permissions on some proc entries
ACPI: video - properly handle errors when registering proc elements
ACPI: video - do not store invalid entries in attached_array list
ACPI: re-name acpi_pm_ops to acpi_suspend_ops
ACER_WMI/ASUS_LAPTOP: fix build bug
thinkpad_acpi: fix possible NULL pointer dereference if kstrdup failed
ACPI: check a return value correctly in acpi_power_get_context()
#if 0 acpi/bay.c:eject_removable_drive()
eeepc-laptop: add hwmon fan control
eeepc-laptop: add backlight
eeepc-laptop: add base driver
ACPI: thinkpad-acpi: bump up version to 0.20
ACPI: thinkpad-acpi: fix selects in Kconfig
ACPI: thinkpad-acpi: use a private workqueue
ACPI: thinkpad-acpi: fluff really minor fix
ACPI: thinkpad-acpi: use uppercase for "LED" on user documentation
...
Fixed conflicts in drivers/acpi/video.c and drivers/misc/intel_menlow.c
manually.
Diffstat (limited to 'drivers/acpi/parser/psargs.c')
-rw-r--r-- | drivers/acpi/parser/psargs.c | 63 |
1 files changed, 43 insertions, 20 deletions
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c index c2b9835..f1e8bf6 100644 --- a/drivers/acpi/parser/psargs.c +++ b/drivers/acpi/parser/psargs.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -230,12 +230,12 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, struct acpi_parse_state *parser_state, union acpi_parse_object *arg, u8 possible_method_call) { + acpi_status status; char *path; union acpi_parse_object *name_op; - acpi_status status; union acpi_operand_object *method_desc; struct acpi_namespace_node *node; - union acpi_generic_state scope_info; + u8 *start = parser_state->aml; ACPI_FUNCTION_TRACE(ps_get_next_namepath); @@ -249,25 +249,18 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_OK); } - /* Setup search scope info */ - - scope_info.scope.node = NULL; - node = parser_state->start_node; - if (node) { - scope_info.scope.node = node; - } - /* - * Lookup the name in the internal namespace. We don't want to add - * anything new to the namespace here, however, so we use MODE_EXECUTE. + * Lookup the name in the internal namespace, starting with the current + * scope. We don't want to add anything new to the namespace here, + * however, so we use MODE_EXECUTE. * Allow searching of the parent tree, but don't open a new scope - * we just want to lookup the object (must be mode EXECUTE to perform * the upsearch) */ - status = - acpi_ns_lookup(&scope_info, path, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, - ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, - NULL, &node); + status = acpi_ns_lookup(walk_state->scope_info, path, + ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, + ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, + NULL, &node); /* * If this name is a control method invocation, we must @@ -275,6 +268,16 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, */ if (ACPI_SUCCESS(status) && possible_method_call && (node->type == ACPI_TYPE_METHOD)) { + if (walk_state->op->common.aml_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. + */ + walk_state->parser_state.aml = start; + walk_state->arg_count = 1; + acpi_ps_init_op(arg, AML_INT_METHODCALL_OP); + return_ACPI_STATUS(AE_OK); + } /* This name is actually a control method invocation */ @@ -686,9 +689,29 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NO_MEMORY); } - status = - acpi_ps_get_next_namepath(walk_state, parser_state, - arg, 0); + /* To support super_name arg of Unload */ + + if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) { + status = + acpi_ps_get_next_namepath(walk_state, + parser_state, arg, + 1); + + /* + * If the super_name arg of Unload is a method call, + * we have restored the AML pointer, just free this Arg + */ + if (arg->common.aml_opcode == + AML_INT_METHODCALL_OP) { + acpi_ps_free_op(arg); + arg = NULL; + } + } else { + status = + acpi_ps_get_next_namepath(walk_state, + parser_state, arg, + 0); + } } else { /* Single complex argument, nothing returned */ |