1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index c47a44dcb702..a5ce4bc202e3 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -184,6 +184,7 @@ static const struct acpi_device_id pcc_device_ids[] = {
         { "MAT0019", 0},
         { "", 0},
 };
+MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
 
 static struct acpi_driver acpi_pcc_driver = {
         .name =         ACPI_PCC_DRIVER_NAME,
@@ -366,7 +367,7 @@ static ssize_t show_numbatt(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
 }
 
 static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
@@ -378,7 +379,7 @@ static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
 }
 
 static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
@@ -390,7 +391,7 @@ static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_MUTE]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_MUTE]);
 }
 
 static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
@@ -402,7 +403,7 @@ static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
 }
 
 static ssize_t set_sticky(struct device *dev, struct device_attribute *attr,