diff options
author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-11 01:09:23 +0200 |
---|---|---|
committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-11 01:09:23 +0200 |
commit | 8f8ffe2485bcaa890800681451d380779cea06af (patch) | |
tree | 1d2ef3a27f1cab9a2b9014f4b75886a96a1ae8db /drivers/acpi/acpica/exstorob.c | |
parent | 70069577323e6f72b845166724f34b9858134437 (diff) | |
parent | d28daf923ac5e4a0d7cecebae56f3e339189366b (diff) |
Merge commit 'tracing/core' into tracing/kprobes
Conflicts:
kernel/trace/trace_export.c
kernel/trace/trace_kprobe.c
Merge reason: This topic branch lacks an important
build fix in tracing/core:
0dd7b74787eaf7858c6c573353a83c3e2766e674:
tracing: Fix double CPP substitution in TRACE_EVENT_FN
that prevents from multiple tracepoint headers inclusion crashes.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'drivers/acpi/acpica/exstorob.c')
-rw-r--r-- | drivers/acpi/acpica/exstorob.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index 67340cc7014..257706e7734 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -70,6 +70,12 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc, ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc); + /* If Source and Target are the same, just return */ + + if (source_desc == target_desc) { + return_ACPI_STATUS(AE_OK); + } + /* We know that source_desc is a buffer by now */ buffer = ACPI_CAST_PTR(u8, source_desc->buffer.pointer); @@ -161,6 +167,12 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc); + /* If Source and Target are the same, just return */ + + if (source_desc == target_desc) { + return_ACPI_STATUS(AE_OK); + } + /* We know that source_desc is a string by now */ buffer = ACPI_CAST_PTR(u8, source_desc->string.pointer); |