Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0d02f0b22b678b9d6c8ac8cad7b4cfbbdf6fab18
Commit: 0d02f0b22b678b9d6c8ac8cad7b4cfbbdf6fab18
Parent: 4e5200334e03e5620aa19d538300c13db270a063
Author: Tejun Heo <[EMAIL PROTECTED]>
AuthorDate: Sat Dec 15 15:04:57 2007 +0900
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Mon Dec 17 20:33:12 2007 -0500
libata-acpi: adjust constness in ata_acpi_gtm/stm() parameters
* No internal function uses const ata_port. Drop const from @ap.
* Make ata_acpi_stm() copy @stm before using it and change @stm to
const.
Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/ata/libata-acpi.c | 7 ++++---
include/linux/libata.h | 4 ++--
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 545ea86..8ae36ad 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -200,7 +200,7 @@ void ata_acpi_associate(struct ata_host *host)
* RETURNS:
* 0 on success, -ENOENT if _GTM doesn't exist, -errno on failure.
*/
-int ata_acpi_gtm(const struct ata_port *ap, struct ata_acpi_gtm *gtm)
+int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm)
{
struct acpi_buffer output = { .length = ACPI_ALLOCATE_BUFFER };
union acpi_object *out_obj;
@@ -259,15 +259,16 @@ EXPORT_SYMBOL_GPL(ata_acpi_gtm);
* RETURNS:
* 0 on success, -ENOENT if _STM doesn't exist, -errno on failure.
*/
-int ata_acpi_stm(const struct ata_port *ap, struct ata_acpi_gtm *stm)
+int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm)
{
acpi_status status;
+ struct ata_acpi_gtm stm_buf = *stm;
struct acpi_object_list input;
union acpi_object in_params[3];
in_params[0].type = ACPI_TYPE_BUFFER;
in_params[0].buffer.length = sizeof(struct ata_acpi_gtm);
- in_params[0].buffer.pointer = (u8 *)stm;
+ in_params[0].buffer.pointer = (u8 *)&stm_buf;
/* Buffers for id may need byteswapping ? */
in_params[1].type = ACPI_TYPE_BUFFER;
in_params[1].buffer.length = 512;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index ef52a07..1ca9b89 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -940,8 +940,8 @@ enum {
/* libata-acpi.c */
#ifdef CONFIG_ATA_ACPI
extern int ata_acpi_cbl_80wire(struct ata_port *ap);
-int ata_acpi_stm(const struct ata_port *ap, struct ata_acpi_gtm *stm);
-int ata_acpi_gtm(const struct ata_port *ap, struct ata_acpi_gtm *stm);
+int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
+int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
#else
static inline int ata_acpi_cbl_80wire(struct ata_port *ap) { return 0; }
#endif
-
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