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-rw-r--r--drivers/xen/xenbus/xenbus_probe.c27
-rw-r--r--drivers/xen/xenbus/xenbus_probe.h4
2 files changed, 18 insertions, 13 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 7f24a98a446f..b2a03184a246 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -99,15 +99,15 @@ static int xenbus_uevent(struct device *_dev, struct kobj_uevent_env *env)
99} 99}
100 100
101/* device/<type>/<id> => <type>-<id> */ 101/* device/<type>/<id> => <type>-<id> */
102static int frontend_bus_id(char bus_id[BUS_ID_SIZE], const char *nodename) 102static int frontend_bus_id(char bus_id[XEN_BUS_ID_SIZE], const char *nodename)
103{ 103{
104 nodename = strchr(nodename, '/'); 104 nodename = strchr(nodename, '/');
105 if (!nodename || strlen(nodename + 1) >= BUS_ID_SIZE) { 105 if (!nodename || strlen(nodename + 1) >= XEN_BUS_ID_SIZE) {
106 printk(KERN_WARNING "XENBUS: bad frontend %s\n", nodename); 106 printk(KERN_WARNING "XENBUS: bad frontend %s\n", nodename);
107 return -EINVAL; 107 return -EINVAL;
108 } 108 }
109 109
110 strlcpy(bus_id, nodename + 1, BUS_ID_SIZE); 110 strlcpy(bus_id, nodename + 1, XEN_BUS_ID_SIZE);
111 if (!strchr(bus_id, '/')) { 111 if (!strchr(bus_id, '/')) {
112 printk(KERN_WARNING "XENBUS: bus_id %s no slash\n", bus_id); 112 printk(KERN_WARNING "XENBUS: bus_id %s no slash\n", bus_id);
113 return -EINVAL; 113 return -EINVAL;
@@ -460,6 +460,7 @@ int xenbus_probe_node(struct xen_bus_type *bus,
460 const char *type, 460 const char *type,
461 const char *nodename) 461 const char *nodename)
462{ 462{
463 char devname[XEN_BUS_ID_SIZE];
463 int err; 464 int err;
464 struct xenbus_device *xendev; 465 struct xenbus_device *xendev;
465 size_t stringlen; 466 size_t stringlen;
@@ -494,10 +495,12 @@ int xenbus_probe_node(struct xen_bus_type *bus,
494 xendev->dev.bus = &bus->bus; 495 xendev->dev.bus = &bus->bus;
495 xendev->dev.release = xenbus_dev_release; 496 xendev->dev.release = xenbus_dev_release;
496 497
497 err = bus->get_bus_id(xendev->dev.bus_id, xendev->nodename); 498 err = bus->get_bus_id(devname, xendev->nodename);
498 if (err) 499 if (err)
499 goto fail; 500 goto fail;
500 501
502 dev_set_name(&xendev->dev, devname);
503
501 /* Register with generic device framework. */ 504 /* Register with generic device framework. */
502 err = device_register(&xendev->dev); 505 err = device_register(&xendev->dev);
503 if (err) 506 if (err)
@@ -611,7 +614,7 @@ void xenbus_dev_changed(const char *node, struct xen_bus_type *bus)
611{ 614{
612 int exists, rootlen; 615 int exists, rootlen;
613 struct xenbus_device *dev; 616 struct xenbus_device *dev;
614 char type[BUS_ID_SIZE]; 617 char type[XEN_BUS_ID_SIZE];
615 const char *p, *root; 618 const char *p, *root;
616 619
617 if (char_count(node, '/') < 2) 620 if (char_count(node, '/') < 2)
@@ -625,8 +628,8 @@ void xenbus_dev_changed(const char *node, struct xen_bus_type *bus)
625 628
626 /* backend/<type>/... or device/<type>/... */ 629 /* backend/<type>/... or device/<type>/... */
627 p = strchr(node, '/') + 1; 630 p = strchr(node, '/') + 1;
628 snprintf(type, BUS_ID_SIZE, "%.*s", (int)strcspn(p, "/"), p); 631 snprintf(type, XEN_BUS_ID_SIZE, "%.*s", (int)strcspn(p, "/"), p);
629 type[BUS_ID_SIZE-1] = '\0'; 632 type[XEN_BUS_ID_SIZE-1] = '\0';
630 633
631 rootlen = strsep_len(node, '/', bus->levels); 634 rootlen = strsep_len(node, '/', bus->levels);
632 if (rootlen < 0) 635 if (rootlen < 0)
@@ -674,7 +677,7 @@ static int suspend_dev(struct device *dev, void *data)
674 err = drv->suspend(xdev); 677 err = drv->suspend(xdev);
675 if (err) 678 if (err)
676 printk(KERN_WARNING 679 printk(KERN_WARNING
677 "xenbus: suspend %s failed: %i\n", dev->bus_id, err); 680 "xenbus: suspend %s failed: %i\n", dev_name(dev), err);
678 return 0; 681 return 0;
679} 682}
680 683
@@ -695,7 +698,7 @@ static int suspend_cancel_dev(struct device *dev, void *data)
695 if (err) 698 if (err)
696 printk(KERN_WARNING 699 printk(KERN_WARNING
697 "xenbus: suspend_cancel %s failed: %i\n", 700 "xenbus: suspend_cancel %s failed: %i\n",
698 dev->bus_id, err); 701 dev_name(dev), err);
699 return 0; 702 return 0;
700} 703}
701 704
@@ -717,7 +720,7 @@ static int resume_dev(struct device *dev, void *data)
717 if (err) { 720 if (err) {
718 printk(KERN_WARNING 721 printk(KERN_WARNING
719 "xenbus: resume (talk_to_otherend) %s failed: %i\n", 722 "xenbus: resume (talk_to_otherend) %s failed: %i\n",
720 dev->bus_id, err); 723 dev_name(dev), err);
721 return err; 724 return err;
722 } 725 }
723 726
@@ -728,7 +731,7 @@ static int resume_dev(struct device *dev, void *data)
728 if (err) { 731 if (err) {
729 printk(KERN_WARNING 732 printk(KERN_WARNING
730 "xenbus: resume %s failed: %i\n", 733 "xenbus: resume %s failed: %i\n",
731 dev->bus_id, err); 734 dev_name(dev), err);
732 return err; 735 return err;
733 } 736 }
734 } 737 }
@@ -737,7 +740,7 @@ static int resume_dev(struct device *dev, void *data)
737 if (err) { 740 if (err) {
738 printk(KERN_WARNING 741 printk(KERN_WARNING
739 "xenbus_probe: resume (watch_otherend) %s failed: " 742 "xenbus_probe: resume (watch_otherend) %s failed: "
740 "%d.\n", dev->bus_id, err); 743 "%d.\n", dev_name(dev), err);
741 return err; 744 return err;
742 } 745 }
743 746
diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h
index e09b19415a40..6c5e3185a6a2 100644
--- a/drivers/xen/xenbus/xenbus_probe.h
+++ b/drivers/xen/xenbus/xenbus_probe.h
@@ -34,6 +34,8 @@
34#ifndef _XENBUS_PROBE_H 34#ifndef _XENBUS_PROBE_H
35#define _XENBUS_PROBE_H 35#define _XENBUS_PROBE_H
36 36
37#define XEN_BUS_ID_SIZE 20
38
37#ifdef CONFIG_XEN_BACKEND 39#ifdef CONFIG_XEN_BACKEND
38extern void xenbus_backend_suspend(int (*fn)(struct device *, void *)); 40extern void xenbus_backend_suspend(int (*fn)(struct device *, void *));
39extern void xenbus_backend_resume(int (*fn)(struct device *, void *)); 41extern void xenbus_backend_resume(int (*fn)(struct device *, void *));
@@ -52,7 +54,7 @@ struct xen_bus_type
52{ 54{
53 char *root; 55 char *root;
54 unsigned int levels; 56 unsigned int levels;
55 int (*get_bus_id)(char bus_id[BUS_ID_SIZE], const char *nodename); 57 int (*get_bus_id)(char bus_id[XEN_BUS_ID_SIZE], const char *nodename);
56 int (*probe)(const char *type, const char *dir); 58 int (*probe)(const char *type, const char *dir);
57 struct bus_type bus; 59 struct bus_type bus;
58}; 60};