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Subject[PATCH 1/3] edac: fix worktodo to proper cast
From: Jean Delvare <khali@linux-fr.org>

The edac-core driver includes code which assumes that the work_struct
which is included in every delayed_work is the first member of that
structure. This is currently the case but might change in the future,
so use to_delayed_work() instead, which doesn't make such an
assumption.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
---
drivers/edac/edac_device.c | 2 +-
drivers/edac/edac_mc.c | 2 +-
drivers/edac/edac_pci.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

Index: linux-2.6.29/drivers/edac/edac_device.c
===================================================================
--- linux-2.6.29.orig/drivers/edac/edac_device.c
+++ linux-2.6.29/drivers/edac/edac_device.c
@@ -389,7 +389,8 @@ static void del_edac_device_from_global_
*/
static void edac_device_workq_function(struct work_struct *work_req)
{
- struct delayed_work *d_work = (struct delayed_work *)work_req;
+ struct delayed_work *d_work =
+ container_of(work_req, struct delayed_work, work);
struct edac_device_ctl_info *edac_dev = to_edac_device_ctl_work(d_work);

mutex_lock(&device_ctls_mutex);
Index: linux-2.6.29/drivers/edac/edac_mc.c
===================================================================
--- linux-2.6.29.orig/drivers/edac/edac_mc.c
+++ linux-2.6.29/drivers/edac/edac_mc.c
@@ -260,7 +260,8 @@ static int edac_mc_assert_error_check_an
*/
static void edac_mc_workq_function(struct work_struct *work_req)
{
- struct delayed_work *d_work = (struct delayed_work *)work_req;
+ struct delayed_work *d_work =
+ container_of(work_req, struct delayed_work, work);
struct mem_ctl_info *mci = to_edac_mem_ctl_work(d_work);

mutex_lock(&mem_ctls_mutex);
Index: linux-2.6.29/drivers/edac/edac_pci.c
===================================================================
--- linux-2.6.29.orig/drivers/edac/edac_pci.c
+++ linux-2.6.29/drivers/edac/edac_pci.c
@@ -232,7 +232,8 @@ EXPORT_SYMBOL_GPL(edac_pci_find);
*/
static void edac_pci_workq_function(struct work_struct *work_req)
{
- struct delayed_work *d_work = (struct delayed_work *)work_req;
+ struct delayed_work *d_work =
+ container_of(work_req, struct delayed_work, work);
struct edac_pci_ctl_info *pci = to_edac_pci_ctl_work(d_work);
int msec;
unsigned long delay;

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