Merge branch 'next' into for-linus

8 files changed, 22 insertions, 11 deletions

diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index c26c11905ff..2af8cb460a3 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -416,21 +416,21 @@ void ide_acpi_get_timing(ide_hwif_t *hwif)
 
 	out_obj = output.pointer;
 	if (out_obj->type != ACPI_TYPE_BUFFER) {
-		kfree(output.pointer);
 		DEBPRINT("Run _GTM: error: "
 		       "expected object type of ACPI_TYPE_BUFFER, "
 		       "got 0x%x\n", out_obj->type);
+		kfree(output.pointer);
 		return;
 	}
 
 	if (!out_obj->buffer.length || !out_obj->buffer.pointer ||
 	    out_obj->buffer.length != sizeof(struct GTM_buffer)) {
-		kfree(output.pointer);
 		printk(KERN_ERR
 			"%s: unexpected _GTM length (0x%x)[should be 0x%zx] or "
 			"addr (0x%p)\n",
 			__func__, out_obj->buffer.length,
 			sizeof(struct GTM_buffer), out_obj->buffer.pointer);
+		kfree(output.pointer);
 		return;
 	}
 
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index fd1e1179913..04b09564bfa 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -778,7 +778,8 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 					sector_t block)
 {
 	struct ide_cmd cmd;
-	int uptodate = 0, nsectors;
+	int uptodate = 0;
+	unsigned int nsectors;
 
 	ide_debug_log(IDE_DBG_RQ, "cmd: 0x%x, block: %llu",
 				  rq->cmd[0], (unsigned long long)block);
@@ -1781,8 +1782,7 @@ static int ide_cd_probe(ide_drive_t *drive)
 
 	ide_cd_read_toc(drive, &sense);
 	g->fops = &idecd_ops;
-	g->flags |= GENHD_FL_REMOVABLE;
-	g->events = DISK_EVENT_MEDIA_CHANGE;
+	g->flags |= GENHD_FL_REMOVABLE | GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE;
 	add_disk(g);
 	return 0;
 
diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c
index 2a6bc50e8a4..02caa7dd51c 100644
--- a/drivers/ide/ide-cd_ioctl.c
+++ b/drivers/ide/ide-cd_ioctl.c
@@ -79,6 +79,12 @@ int ide_cdrom_drive_status(struct cdrom_device_info *cdi, int slot_nr)
 	return CDS_DRIVE_NOT_READY;
 }
 
+/*
+ * ide-cd always generates media changed event if media is missing, which
+ * makes it impossible to use for proper event reporting, so disk->events
+ * is cleared to 0 and the following function is used only to trigger
+ * revalidation and never propagated to userland.
+ */
 unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *cdi,
 					 unsigned int clearing, int slot_nr)
 {
diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c
index 404843e8611..d2f3db3cf3e 100644
--- a/drivers/ide/ide-cs.c
+++ b/drivers/ide/ide-cs.c
@@ -272,7 +272,7 @@ static void ide_release(struct pcmcia_device *link)
 } /* ide_release */
 
 
-static struct pcmcia_device_id ide_ids[] = {
+static const struct pcmcia_device_id ide_ids[] = {
 	PCMCIA_DEVICE_FUNC_ID(4),
 	PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000),	/* Corsair */
 	PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000),	/* Hitachi */
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 5a702d02c84..61fdf544fbd 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -73,7 +73,7 @@ static int ide_floppy_callback(ide_drive_t *drive, int dsc)
 		drive->failed_pc = NULL;
 
 	if (pc->c[0] == GPCMD_READ_10 || pc->c[0] == GPCMD_WRITE_10 ||
-	    (rq && rq->cmd_type == REQ_TYPE_BLOCK_PC))
+	    rq->cmd_type == REQ_TYPE_BLOCK_PC)
 		uptodate = 1; /* FIXME */
 	else if (pc->c[0] == GPCMD_REQUEST_SENSE) {
 
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index c4ffd488893..70ea8763567 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -298,6 +298,12 @@ static unsigned int ide_gd_check_events(struct gendisk *disk,
 		return 0;
 	}
 
+	/*
+	 * The following is used to force revalidation on the first open on
+	 * removeable devices, and never gets reported to userland as
+	 * genhd->events is 0.  This is intended as removeable ide disk
+	 * can't really detect MEDIA_CHANGE events.
+	 */
 	ret = drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED;
 	drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
 
@@ -413,7 +419,6 @@ static int ide_gd_probe(ide_drive_t *drive)
 	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
 		g->flags = GENHD_FL_REMOVABLE;
 	g->fops = &ide_gd_ops;
-	g->events = DISK_EVENT_MEDIA_CHANGE;
 	add_disk(g);
 	return 0;
 
diff --git a/drivers/ide/ide-scan-pci.c b/drivers/ide/ide-scan-pci.c
index 0e79efff1de..c3da53e7bb2 100644
--- a/drivers/ide/ide-scan-pci.c
+++ b/drivers/ide/ide-scan-pci.c
@@ -88,7 +88,7 @@ static int __init ide_scan_pcibus(void)
 	struct list_head *l, *n;
 
 	pre_init = 0;
-	while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)))
+	for_each_pci_dev(dev)
 		ide_scan_pcidev(dev);
 
 	/*
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index ebcf8e470a9..1db7c4368db 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1334,7 +1334,7 @@ out_free_pmif:
 static int
 pmac_ide_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
 {
-	pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)pci_get_drvdata(pdev);
+	pmac_ide_hwif_t *pmif = pci_get_drvdata(pdev);
 	int rc = 0;
 
 	if (mesg.event != pdev->dev.power.power_state.event
@@ -1350,7 +1350,7 @@ pmac_ide_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
 static int
 pmac_ide_pci_resume(struct pci_dev *pdev)
 {
-	pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)pci_get_drvdata(pdev);
+	pmac_ide_hwif_t *pmif = pci_get_drvdata(pdev);
 	int rc = 0;
 
 	if (pdev->dev.power.power_state.event != PM_EVENT_ON) {