diff options
| -rw-r--r-- | drivers/hid/wacom_sys.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index c08a7522fdb9..ec088c1a4868 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -25,7 +25,6 @@ #define WAC_CMD_RETRIES 10 #define WAC_CMD_DELETE_PAIRING 0x20 #define WAC_CMD_UNPAIR_ALL 0xFF -#define WAC_REMOTE_SERIAL_MAX_STRLEN 9 #define DEV_ATTR_RW_PERM (S_IRUGO | S_IWUSR | S_IWGRP) #define DEV_ATTR_WO_PERM (S_IWUSR | S_IWGRP) @@ -1233,23 +1232,21 @@ DEVICE_EKR_ATTR_GROUP(4); int wacom_remote_create_attr_group(struct wacom *wacom, __u32 serial, int index) { int error = 0; - char *buf; struct wacom_wac *wacom_wac = &wacom->wacom_wac; wacom_wac->serial[index] = serial; - buf = kzalloc(WAC_REMOTE_SERIAL_MAX_STRLEN, GFP_KERNEL); - if (!buf) + wacom->remote_group[index].name = devm_kasprintf(&wacom->hdev->dev, + GFP_KERNEL, + "%d", serial); + if (!wacom->remote_group[index].name) return -ENOMEM; - snprintf(buf, WAC_REMOTE_SERIAL_MAX_STRLEN, "%d", serial); - wacom->remote_group[index].name = buf; error = sysfs_create_group(wacom->remote_dir, &wacom->remote_group[index]); if (error) { hid_err(wacom->hdev, "cannot create sysfs group err: %d\n", error); - kobject_put(wacom->remote_dir); return error; } @@ -1271,7 +1268,8 @@ void wacom_remote_destroy_attr_group(struct wacom *wacom, __u32 serial) if (wacom->remote_group[i].name) { sysfs_remove_group(wacom->remote_dir, &wacom->remote_group[i]); - kfree(wacom->remote_group[i].name); + devm_kfree(&wacom->hdev->dev, + (char *)wacom->remote_group[i].name); wacom->remote_group[i].name = NULL; } } |