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-rw-r--r--drivers/base/core.c120
-rw-r--r--drivers/base/power/power.h3
-rw-r--r--drivers/base/power/sysfs.c55
-rw-r--r--drivers/net/dsa/bcm_sf2.c3
-rw-r--r--drivers/net/dsa/bcm_sf2_regs.h1
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_devcmd.h8
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_vic.h2
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h2
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h2
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_main.c8
-rw-r--r--drivers/net/ethernet/marvell/skge.h2
-rw-r--r--drivers/net/ethernet/marvell/sky2.h2
-rw-r--r--drivers/net/ethernet/qlogic/netxen/netxen_nic.h2
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic.h8
-rw-r--r--drivers/net/ethernet/sfc/falcon/net_driver.h2
-rw-r--r--drivers/net/ethernet/sfc/net_driver.h2
16 files changed, 198 insertions, 24 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 42a672456432..fb8b7990f6fd 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3458,6 +3458,126 @@ out:
}
EXPORT_SYMBOL_GPL(device_move);
+static int device_attrs_change_owner(struct device *dev, kuid_t kuid,
+ kgid_t kgid)
+{
+ struct kobject *kobj = &dev->kobj;
+ struct class *class = dev->class;
+ const struct device_type *type = dev->type;
+ int error;
+
+ if (class) {
+ /*
+ * Change the device groups of the device class for @dev to
+ * @kuid/@kgid.
+ */
+ error = sysfs_groups_change_owner(kobj, class->dev_groups, kuid,
+ kgid);
+ if (error)
+ return error;
+ }
+
+ if (type) {
+ /*
+ * Change the device groups of the device type for @dev to
+ * @kuid/@kgid.
+ */
+ error = sysfs_groups_change_owner(kobj, type->groups, kuid,
+ kgid);
+ if (error)
+ return error;
+ }
+
+ /* Change the device groups of @dev to @kuid/@kgid. */
+ error = sysfs_groups_change_owner(kobj, dev->groups, kuid, kgid);
+ if (error)
+ return error;
+
+ if (device_supports_offline(dev) && !dev->offline_disabled) {
+ /* Change online device attributes of @dev to @kuid/@kgid. */
+ error = sysfs_file_change_owner(kobj, dev_attr_online.attr.name,
+ kuid, kgid);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
+/**
+ * device_change_owner - change the owner of an existing device.
+ * @dev: device.
+ * @kuid: new owner's kuid
+ * @kgid: new owner's kgid
+ *
+ * This changes the owner of @dev and its corresponding sysfs entries to
+ * @kuid/@kgid. This function closely mirrors how @dev was added via driver
+ * core.
+ *
+ * Returns 0 on success or error code on failure.
+ */
+int device_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid)
+{
+ int error;
+ struct kobject *kobj = &dev->kobj;
+
+ dev = get_device(dev);
+ if (!dev)
+ return -EINVAL;
+
+ /*
+ * Change the kobject and the default attributes and groups of the
+ * ktype associated with it to @kuid/@kgid.
+ */
+ error = sysfs_change_owner(kobj, kuid, kgid);
+ if (error)
+ goto out;
+
+ /*
+ * Change the uevent file for @dev to the new owner. The uevent file
+ * was created in a separate step when @dev got added and we mirror
+ * that step here.
+ */
+ error = sysfs_file_change_owner(kobj, dev_attr_uevent.attr.name, kuid,
+ kgid);
+ if (error)
+ goto out;
+
+ /*
+ * Change the device groups, the device groups associated with the
+ * device class, and the groups associated with the device type of @dev
+ * to @kuid/@kgid.
+ */
+ error = device_attrs_change_owner(dev, kuid, kgid);
+ if (error)
+ goto out;
+
+ error = dpm_sysfs_change_owner(dev, kuid, kgid);
+ if (error)
+ goto out;
+
+#ifdef CONFIG_BLOCK
+ if (sysfs_deprecated && dev->class == &block_class)
+ goto out;
+#endif
+
+ /*
+ * Change the owner of the symlink located in the class directory of
+ * the device class associated with @dev which points to the actual
+ * directory entry for @dev to @kuid/@kgid. This ensures that the
+ * symlink shows the same permissions as its target.
+ */
+ error = sysfs_link_change_owner(&dev->class->p->subsys.kobj, &dev->kobj,
+ dev_name(dev), kuid, kgid);
+ if (error)
+ goto out;
+
+out:
+ put_device(dev);
+ return error;
+}
+EXPORT_SYMBOL_GPL(device_change_owner);
+
/**
* device_shutdown - call ->shutdown() on each device to shutdown.
*/
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 444f5c169a0b..54292cdd7808 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -74,6 +74,7 @@ extern int pm_qos_sysfs_add_flags(struct device *dev);
extern void pm_qos_sysfs_remove_flags(struct device *dev);
extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev);
extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev);
+extern int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid);
#else /* CONFIG_PM */
@@ -88,6 +89,8 @@ static inline void pm_runtime_remove(struct device *dev) {}
static inline int dpm_sysfs_add(struct device *dev) { return 0; }
static inline void dpm_sysfs_remove(struct device *dev) {}
+static inline int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid,
+ kgid_t kgid) { return 0; }
#endif
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index d7d82db2e4bc..2b99fe1eb207 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -480,6 +480,14 @@ static ssize_t wakeup_last_time_ms_show(struct device *dev,
return enabled ? sprintf(buf, "%lld\n", msec) : sprintf(buf, "\n");
}
+static inline int dpm_sysfs_wakeup_change_owner(struct device *dev, kuid_t kuid,
+ kgid_t kgid)
+{
+ if (dev->power.wakeup && dev->power.wakeup->dev)
+ return device_change_owner(dev->power.wakeup->dev, kuid, kgid);
+ return 0;
+}
+
static DEVICE_ATTR_RO(wakeup_last_time_ms);
#ifdef CONFIG_PM_AUTOSLEEP
@@ -501,7 +509,13 @@ static ssize_t wakeup_prevent_sleep_time_ms_show(struct device *dev,
static DEVICE_ATTR_RO(wakeup_prevent_sleep_time_ms);
#endif /* CONFIG_PM_AUTOSLEEP */
-#endif /* CONFIG_PM_SLEEP */
+#else /* CONFIG_PM_SLEEP */
+static inline int dpm_sysfs_wakeup_change_owner(struct device *dev, kuid_t kuid,
+ kgid_t kgid)
+{
+ return 0;
+}
+#endif
#ifdef CONFIG_PM_ADVANCED_DEBUG
static ssize_t runtime_usage_show(struct device *dev,
@@ -684,6 +698,45 @@ int dpm_sysfs_add(struct device *dev)
return rc;
}
+int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid)
+{
+ int rc;
+
+ if (device_pm_not_required(dev))
+ return 0;
+
+ rc = sysfs_group_change_owner(&dev->kobj, &pm_attr_group, kuid, kgid);
+ if (rc)
+ return rc;
+
+ if (pm_runtime_callbacks_present(dev)) {
+ rc = sysfs_group_change_owner(
+ &dev->kobj, &pm_runtime_attr_group, kuid, kgid);
+ if (rc)
+ return rc;
+ }
+
+ if (device_can_wakeup(dev)) {
+ rc = sysfs_group_change_owner(&dev->kobj, &pm_wakeup_attr_group,
+ kuid, kgid);
+ if (rc)
+ return rc;
+
+ rc = dpm_sysfs_wakeup_change_owner(dev, kuid, kgid);
+ if (rc)
+ return rc;
+ }
+
+ if (dev->power.set_latency_tolerance) {
+ rc = sysfs_group_change_owner(
+ &dev->kobj, &pm_qos_latency_tolerance_attr_group, kuid,
+ kgid);
+ if (rc)
+ return rc;
+ }
+ return 0;
+}
+
int wakeup_sysfs_add(struct device *dev)
{
return sysfs_merge_group(&dev->kobj, &pm_wakeup_attr_group);
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 6feaf8cb0809..d1955543acd1 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -616,9 +616,6 @@ force_link:
if (state->duplex == DUPLEX_FULL)
reg |= DUPLX_MODE;
- if (priv->type == BCM7278_DEVICE_ID && dsa_is_cpu_port(ds, port))
- reg |= GMIIP_SPEED_UP_2G;
-
core_writel(priv, reg, offset);
}
diff --git a/drivers/net/dsa/bcm_sf2_regs.h b/drivers/net/dsa/bcm_sf2_regs.h
index 784478176335..d8a5e6269c0e 100644
--- a/drivers/net/dsa/bcm_sf2_regs.h
+++ b/drivers/net/dsa/bcm_sf2_regs.h
@@ -178,7 +178,6 @@ enum bcm_sf2_reg_offs {
#define RXFLOW_CNTL (1 << 4)
#define TXFLOW_CNTL (1 << 5)
#define SW_OVERRIDE (1 << 6)
-#define GMIIP_SPEED_UP_2G (1 << 7)
#define CORE_WATCHDOG_CTRL 0x001e4
#define SOFTWARE_RESET (1 << 7)
diff --git a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
index fef5a0a0663d..fcc4a3ccdd94 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
@@ -541,7 +541,7 @@ struct vnic_devcmd_notify {
struct vnic_devcmd_provinfo {
u8 oui[3];
u8 type;
- u8 data[0];
+ u8 data[];
};
/* These are used in flags field of different filters to denote
@@ -648,9 +648,9 @@ enum {
#define FILTER_MAX_BUF_SIZE 100
struct filter_tlv {
- u_int32_t type;
- u_int32_t length;
- u_int32_t val[0];
+ u32 type;
+ u32 length;
+ u32 val[];
};
enum {
diff --git a/drivers/net/ethernet/cisco/enic/vnic_vic.h b/drivers/net/ethernet/cisco/enic/vnic_vic.h
index 9ef81f148351..057776908828 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_vic.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_vic.h
@@ -59,7 +59,7 @@ struct vic_provinfo {
u16 type;
u16 length;
u8 value[0];
- } tlv[0];
+ } tlv[];
} __packed;
#define VIC_PROVINFO_ADD_TLV(vp, tlvtype, tlvlen, data) \
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
index 2721f1f1ab42..0f0e16f9afc0 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
@@ -92,7 +92,7 @@ struct ppe_common_cb {
u8 comm_index; /*ppe_common index*/
u32 ppe_num;
- struct hns_ppe_cb ppe_cb[0];
+ struct hns_ppe_cb ppe_cb[];
};
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
index 3741befb914e..a9f805925699 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
@@ -108,7 +108,7 @@ struct rcb_common_cb {
u32 ring_num;
u32 desc_num; /* desc num per queue*/
- struct ring_pair_cb ring_pair_cb[0];
+ struct ring_pair_cb ring_pair_cb[];
};
int hns_rcb_buf_size2type(u32 buf_size);
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 62fe56ddcb6e..76361bd468db 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -3061,9 +3061,6 @@ static int iavf_delete_clsflower(struct iavf_adapter *adapter,
static int iavf_setup_tc_cls_flower(struct iavf_adapter *adapter,
struct flow_cls_offload *cls_flower)
{
- if (cls_flower->common.chain_index)
- return -EOPNOTSUPP;
-
switch (cls_flower->command) {
case FLOW_CLS_REPLACE:
return iavf_configure_clsflower(adapter, cls_flower);
@@ -3087,6 +3084,11 @@ static int iavf_setup_tc_cls_flower(struct iavf_adapter *adapter,
static int iavf_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
void *cb_priv)
{
+ struct iavf_adapter *adapter = cb_priv;
+
+ if (!tc_cls_can_offload_and_chain0(adapter->netdev, type_data))
+ return -EOPNOTSUPP;
+
switch (type) {
case TC_SETUP_CLSFLOWER:
return iavf_setup_tc_cls_flower(cb_priv, type_data);
diff --git a/drivers/net/ethernet/marvell/skge.h b/drivers/net/ethernet/marvell/skge.h
index 6fa7b6a34c08..a1313d57e283 100644
--- a/drivers/net/ethernet/marvell/skge.h
+++ b/drivers/net/ethernet/marvell/skge.h
@@ -2426,7 +2426,7 @@ struct skge_hw {
spinlock_t phy_lock;
struct tasklet_struct phy_task;
- char irq_name[0]; /* skge@pci:000:04:00.0 */
+ char irq_name[]; /* skge@pci:000:04:00.0 */
};
enum pause_control {
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index b02b6523083c..ada1ca60f088 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -2309,7 +2309,7 @@ struct sky2_hw {
struct work_struct restart_work;
wait_queue_head_t msi_wait;
- char irq_name[0];
+ char irq_name[];
};
static inline int sky2_is_copper(const struct sky2_hw *hw)
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic.h b/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
index 3dce769d83a1..86153660d245 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
@@ -1316,7 +1316,7 @@ struct netxen_minidump_template_hdr {
u32 driver_info_word4;
u32 saved_state_array[NX_DUMP_STATE_ARRAY_LEN];
u32 capture_size_array[NX_DUMP_CAP_SIZE_ARRAY_LEN];
- u32 rsvd[0];
+ u32 rsvd[];
};
/* Common Entry Header: Common to All Entry Types */
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 374a4d4371f9..134611aa2c9a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -418,7 +418,7 @@ struct qlcnic_83xx_dump_template_hdr {
u32 saved_state[16];
u32 cap_sizes[8];
u32 ocm_wnd_reg[16];
- u32 rsvd[0];
+ u32 rsvd[];
};
struct qlcnic_82xx_dump_template_hdr {
@@ -436,7 +436,7 @@ struct qlcnic_82xx_dump_template_hdr {
u32 cap_sizes[8];
u32 rsvd[7];
u32 capabilities;
- u32 rsvd1[0];
+ u32 rsvd1[];
};
#define QLC_PEX_DMA_READ_SIZE (PAGE_SIZE * 16)
@@ -740,7 +740,7 @@ struct qlcnic_hostrq_rx_ctx {
The following is packed:
- N hostrq_rds_rings
- N hostrq_sds_rings */
- char data[0];
+ char data[];
} __packed;
struct qlcnic_cardrsp_rds_ring{
@@ -769,7 +769,7 @@ struct qlcnic_cardrsp_rx_ctx {
The following is packed:
- N cardrsp_rds_rings
- N cardrs_sds_rings */
- char data[0];
+ char data[];
} __packed;
#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings) \
diff --git a/drivers/net/ethernet/sfc/falcon/net_driver.h b/drivers/net/ethernet/sfc/falcon/net_driver.h
index a49ea2e719b6..a529ff395ead 100644
--- a/drivers/net/ethernet/sfc/falcon/net_driver.h
+++ b/drivers/net/ethernet/sfc/falcon/net_driver.h
@@ -288,7 +288,7 @@ struct ef4_rx_buffer {
struct ef4_rx_page_state {
dma_addr_t dma_addr;
- unsigned int __pad[0] ____cacheline_aligned;
+ unsigned int __pad[] ____cacheline_aligned;
};
/**
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 9f9886f222c8..392bd5b7017e 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -336,7 +336,7 @@ struct efx_rx_buffer {
struct efx_rx_page_state {
dma_addr_t dma_addr;
- unsigned int __pad[0] ____cacheline_aligned;
+ unsigned int __pad[] ____cacheline_aligned;
};
/**
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-20 18:28:18 +0300