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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
commiteda3d8f5604860aae1bb9996bb5efc4213778369 (patch)
tree9d3887d2665bcc5f5abf200758794545c7b2c69b /drivers/acpi/utilities/utalloc.c
parent87a9f704658a40940e740b1d73d861667e9164d3 (diff)
parent8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff)
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Merge commit 'upstream/master'
Diffstat (limited to 'drivers/acpi/utilities/utalloc.c')
-rw-r--r--drivers/acpi/utilities/utalloc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index 3dfb8a442b2..e7bf34a7b1d 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -242,6 +242,10 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
{
acpi_status status = AE_OK;
+ if (!required_length) {
+ WARN_ON(1);
+ return AE_ERROR;
+ }
switch (buffer->length) {
case ACPI_NO_BUFFER: