]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
HID: replace scnprintf() with sysfs_emit()
authorChelsy Ratnawat <chelsyratnawat2001@gmail.com>
Thu, 19 Jun 2025 15:46:27 +0000 (08:46 -0700)
committerJiri Kosina <jkosina@suse.com>
Fri, 20 Jun 2025 07:14:43 +0000 (09:14 +0200)
Documentation/filesystems/sysfs.rst mentions that show() should only
use sysfs_emit() or sysfs_emit_at() when formating the value to be
returned to user space. So replace scnprintf() with sysfs_emit().

Signed-off-by: Chelsy Ratnawat <chelsyratnawat2001@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
drivers/hid/hid-core.c
drivers/hid/hid-lg4ff.c

index b348d0464314ca331da073128f0ec4e0a6a91ed1..4a00bd4a4224b2e0c88443f007889f350ca4fac3 100644 (file)
@@ -2797,7 +2797,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
 
-       return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
+       return sysfs_emit(buf, "hid:b%04Xg%04Xv%08Xp%08X\n",
                         hdev->bus, hdev->group, hdev->vendor, hdev->product);
 }
 static DEVICE_ATTR_RO(modalias);
index 445623dd1bd6c19a0b0f1acced3b13307fc4c6c8..32b711723f2aa963d94201680de633981750fde1 100644 (file)
@@ -956,7 +956,7 @@ static ssize_t lg4ff_combine_show(struct device *dev, struct device_attribute *a
                return 0;
        }
 
-       count = scnprintf(buf, PAGE_SIZE, "%u\n", entry->wdata.combine);
+       count = sysfs_emit(buf, "%u\n", entry->wdata.combine);
        return count;
 }
 
@@ -1009,7 +1009,7 @@ static ssize_t lg4ff_range_show(struct device *dev, struct device_attribute *att
                return 0;
        }
 
-       count = scnprintf(buf, PAGE_SIZE, "%u\n", entry->wdata.range);
+       count = sysfs_emit(buf, "%u\n", entry->wdata.range);
        return count;
 }
 
@@ -1073,7 +1073,7 @@ static ssize_t lg4ff_real_id_show(struct device *dev, struct device_attribute *a
                return 0;
        }
 
-       count = scnprintf(buf, PAGE_SIZE, "%s: %s\n", entry->wdata.real_tag, entry->wdata.real_name);
+       count = sysfs_emit(buf, "%s: %s\n", entry->wdata.real_tag, entry->wdata.real_name);
        return count;
 }