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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-17 12:47:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-17 12:47:47 -0700
commita6b52a9db891e2a39e8a0fed6005935d8b1aa59c (patch)
tree3fbef9df274667d1e96894c2b8c373b7192cfaf1 /drivers
parent247dc220f410969b35f884f1554fe9b78119dd59 (diff)
parent7fb574a97f7147610c44cef55d0cde2409392a80 (diff)
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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: ACPI: Fixes device power states array overflow ACPI, APEI, HEST, Detect duplicated hardware error source ID ACPI: Fix lockdep false positives in acpi_power_off()
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/apei/hest.c12
-rw-r--r--drivers/acpi/osl.c17
2 files changed, 11 insertions, 18 deletions
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index abda3786a5d..181bc2f7bb7 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -139,13 +139,23 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
{
struct platform_device *ghes_dev;
struct ghes_arr *ghes_arr = data;
- int rc;
+ int rc, i;
if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
return 0;
if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
return 0;
+ for (i = 0; i < ghes_arr->count; i++) {
+ struct acpi_hest_header *hdr;
+ ghes_dev = ghes_arr->ghes_devs[i];
+ hdr = *(struct acpi_hest_header **)ghes_dev->dev.platform_data;
+ if (hdr->source_id == hest_hdr->source_id) {
+ pr_warning(FW_WARN HEST_PFX "Duplicated hardware error source ID: %d.\n",
+ hdr->source_id);
+ return -EIO;
+ }
+ }
ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
if (!ghes_dev)
return -ENOMEM;
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 52ca9649d76..372f9b70f7f 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1333,23 +1333,6 @@ int acpi_resources_are_enforced(void)
EXPORT_SYMBOL(acpi_resources_are_enforced);
/*
- * Create and initialize a spinlock.
- */
-acpi_status
-acpi_os_create_lock(acpi_spinlock *out_handle)
-{
- spinlock_t *lock;
-
- lock = ACPI_ALLOCATE(sizeof(spinlock_t));
- if (!lock)
- return AE_NO_MEMORY;
- spin_lock_init(lock);
- *out_handle = lock;
-
- return AE_OK;
-}
-
-/*
* Deallocate the memory for a spinlock.
*/
void acpi_os_delete_lock(acpi_spinlock handle)