platform/x86: uv_sysfs: use sysfs_emit() instead of sprintf()

Follow the advice in Documentation/filesystems/sysfs.rst:
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.

Signed-off-by: Ai Chao <aichao@kylinos.cn>
Link: https://lore.kernel.org/r/20240319070038.309683-1-aichao@kylinos.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/drivers/platform/x86/uv_sysfs.c b/drivers/platform/x86/uv_sysfs.c
index 38d1b692d3c0aad9149b7b8ac9e5624c2b0437b5..3f6d52dea5c91ee7fbe398f447664b2db355c318 100644 (file)
--- a/drivers/platform/x86/uv_sysfs.c
+++ b/drivers/platform/x86/uv_sysfs.c
@@ -129,22 +129,22 @@ static ssize_t hub_location_show(struct uv_bios_hub_info *hub_info, char *buf)
 
 static ssize_t hub_partition_show(struct uv_bios_hub_info *hub_info, char *buf)
 {
-       return sprintf(buf, "%d\n", hub_info->f.fields.this_part);
+       return sysfs_emit(buf, "%d\n", hub_info->f.fields.this_part);
 }
 
 static ssize_t hub_shared_show(struct uv_bios_hub_info *hub_info, char *buf)
 {
-       return sprintf(buf, "%d\n", hub_info->f.fields.is_shared);
+       return sysfs_emit(buf, "%d\n", hub_info->f.fields.is_shared);
 }
 static ssize_t hub_nasid_show(struct uv_bios_hub_info *hub_info, char *buf)
 {
        int cnode = get_obj_to_cnode(hub_info->id);
 
-       return sprintf(buf, "%d\n", ordinal_to_nasid(cnode));
+       return sysfs_emit(buf, "%d\n", ordinal_to_nasid(cnode));
 }
 static ssize_t hub_cnode_show(struct uv_bios_hub_info *hub_info, char *buf)
 {
-       return sprintf(buf, "%d\n", get_obj_to_cnode(hub_info->id));
+       return sysfs_emit(buf, "%d\n", get_obj_to_cnode(hub_info->id));
 }
 
 struct hub_sysfs_entry {
@@ -304,12 +304,12 @@ struct uv_port {
 
 static ssize_t uv_port_conn_hub_show(struct uv_bios_port_info *port, char *buf)
 {
-       return sprintf(buf, "%d\n", port->conn_id);
+       return sysfs_emit(buf, "%d\n", port->conn_id);
 }
 
 static ssize_t uv_port_conn_port_show(struct uv_bios_port_info *port, char *buf)
 {
-       return sprintf(buf, "%d\n", port->conn_port);
+       return sysfs_emit(buf, "%d\n", port->conn_port);
 }
 
 struct uv_port_sysfs_entry {
@@ -470,7 +470,7 @@ static ssize_t uv_pci_location_show(struct uv_pci_top_obj *top_obj, char *buf)
 
 static ssize_t uv_pci_iio_stack_show(struct uv_pci_top_obj *top_obj, char *buf)
 {
-       return sprintf(buf, "%d\n", top_obj->iio_stack);
+       return sysfs_emit(buf, "%d\n", top_obj->iio_stack);
 }
 
 static ssize_t uv_pci_ppb_addr_show(struct uv_pci_top_obj *top_obj, char *buf)
@@ -480,7 +480,7 @@ static ssize_t uv_pci_ppb_addr_show(struct uv_pci_top_obj *top_obj, char *buf)
 
 static ssize_t uv_pci_slot_show(struct uv_pci_top_obj *top_obj, char *buf)
 {
-       return sprintf(buf, "%d\n", top_obj->slot);
+       return sysfs_emit(buf, "%d\n", top_obj->slot);
 }
 
 struct uv_pci_top_sysfs_entry {
@@ -725,13 +725,13 @@ static void pci_topology_exit(void)
 static ssize_t partition_id_show(struct kobject *kobj,
                        struct kobj_attribute *attr, char *buf)
 {
-       return sprintf(buf, "%ld\n", sn_partition_id);
+       return sysfs_emit(buf, "%ld\n", sn_partition_id);
 }
 
 static ssize_t coherence_id_show(struct kobject *kobj,
                        struct kobj_attribute *attr, char *buf)
 {
-       return sprintf(buf, "%ld\n", sn_coherency_id);
+       return sysfs_emit(buf, "%ld\n", sn_coherency_id);
 }
 
 static ssize_t uv_type_show(struct kobject *kobj,