diff options
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/node.c | 12 | ||||
-rw-r--r-- | drivers/base/property.c | 19 |
2 files changed, 23 insertions, 8 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 3855902f2c5b..aae2402f3791 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -27,13 +27,21 @@ static struct bus_type node_subsys = { static ssize_t node_read_cpumap(struct device *dev, bool list, char *buf) { + ssize_t n; + cpumask_var_t mask; struct node *node_dev = to_node(dev); - const struct cpumask *mask = cpumask_of_node(node_dev->dev.id); /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1)); - return cpumap_print_to_pagebuf(list, buf, mask); + if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + return 0; + + cpumask_and(mask, cpumask_of_node(node_dev->dev.id), cpu_online_mask); + n = cpumap_print_to_pagebuf(list, buf, mask); + free_cpumask_var(mask); + + return n; } static inline ssize_t node_read_cpumask(struct device *dev, diff --git a/drivers/base/property.c b/drivers/base/property.c index d0b65bbe7e15..7ed99c1b2a8b 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -21,6 +21,7 @@ #include <linux/phy.h> struct property_set { + struct device *dev; struct fwnode_handle fwnode; const struct property_entry *properties; }; @@ -682,6 +683,10 @@ EXPORT_SYMBOL_GPL(fwnode_property_match_string); * Caller is responsible to call fwnode_handle_put() on the returned * args->fwnode pointer. * + * Returns: %0 on success + * %-ENOENT when the index is out of bounds, the index has an empty + * reference or the property was not found + * %-EINVAL on parse error */ int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, const char *prop, const char *nargs_prop, @@ -891,6 +896,7 @@ static struct property_set *pset_copy_set(const struct property_set *pset) void device_remove_properties(struct device *dev) { struct fwnode_handle *fwnode; + struct property_set *pset; fwnode = dev_fwnode(dev); if (!fwnode) @@ -900,16 +906,16 @@ void device_remove_properties(struct device *dev) * the pset. If there is no real firmware node (ACPI/DT) primary * will hold the pset. */ - if (is_pset_node(fwnode)) { + pset = to_pset_node(fwnode); + if (pset) { set_primary_fwnode(dev, NULL); - pset_free_set(to_pset_node(fwnode)); } else { - fwnode = fwnode->secondary; - if (!IS_ERR(fwnode) && is_pset_node(fwnode)) { + pset = to_pset_node(fwnode->secondary); + if (pset && dev == pset->dev) set_secondary_fwnode(dev, NULL); - pset_free_set(to_pset_node(fwnode)); - } } + if (pset && dev == pset->dev) + pset_free_set(pset); } EXPORT_SYMBOL_GPL(device_remove_properties); @@ -938,6 +944,7 @@ int device_add_properties(struct device *dev, p->fwnode.ops = &pset_fwnode_ops; set_secondary_fwnode(dev, &p->fwnode); + p->dev = dev; return 0; } EXPORT_SYMBOL_GPL(device_add_properties); |