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authorH. Peter Anvin <hpa@zytor.com>2008-08-27 22:17:07 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-08-27 22:17:07 -0400
commitb30a72a7edfc64c8929104d5c2178aca489aa559 (patch)
tree2b26c155c318d08d946bd2d70cf815dcdb29a243 /drivers/acpi/utilities/utalloc.c
parentf1c5d30e1d79bbfb60eaf189db862d3cb2bcac92 (diff)
parentc1b362e3b4d331a63915b268a33207311a439d60 (diff)
Merge branch 'x86/urgent' into x86/cpu
Conflicts: arch/x86/kernel/cpu/cyrix.c
Diffstat (limited to 'drivers/acpi/utilities/utalloc.c')
-rw-r--r--drivers/acpi/utilities/utalloc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index e7bf34a7b1d..7dcb67e0b21 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -242,10 +242,12 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
242{ 242{
243 acpi_status status = AE_OK; 243 acpi_status status = AE_OK;
244 244
245 if (!required_length) { 245 /* Parameter validation */
246 WARN_ON(1); 246
247 return AE_ERROR; 247 if (!buffer || !required_length) {
248 return (AE_BAD_PARAMETER);
248 } 249 }
250
249 switch (buffer->length) { 251 switch (buffer->length) {
250 case ACPI_NO_BUFFER: 252 case ACPI_NO_BUFFER:
251 253