From: Greg KH <[email protected]> Attribute groups now can handle binary sysfs attributes, so clean up the code here by using a binary attribute array. This saves us the extra call to create the binary attribute at saves 6 lines overall.
Cc: Len Brown <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> -- I can take this in my driver-core tree if someone from ACPI acks it, otherwise, feel free to take it through the ACPI trees instead, just let me know. drivers/acpi/bgrt.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c index be603995..7a4128d9 100644 --- a/drivers/acpi/bgrt.c +++ b/drivers/acpi/bgrt.c @@ -51,20 +51,14 @@ static ssize_t show_yoffset(struct device *dev, } static DEVICE_ATTR(yoffset, S_IRUGO, show_yoffset, NULL); -static ssize_t show_image(struct file *file, struct kobject *kobj, +static ssize_t image_read(struct file *file, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { memcpy(buf, attr->private + off, count); return count; } -static struct bin_attribute image_attr = { - .attr = { - .name = "image", - .mode = S_IRUGO, - }, - .read = show_image, -}; +static BIN_ATTR_RO(image, 0); /* size gets filled in later */ static struct attribute *bgrt_attributes[] = { &dev_attr_version.attr, @@ -75,8 +69,14 @@ static struct attribute *bgrt_attributes[] = { NULL, }; +static struct bin_attribute *bgrt_bin_attributes[] = { + &bin_attr_image, + NULL, +}; + static struct attribute_group bgrt_attribute_group = { .attrs = bgrt_attributes, + .bin_attrs = bgrt_bin_attributes, }; static int __init bgrt_init(void) @@ -87,8 +87,8 @@ static int __init bgrt_init(void) return -ENODEV; sysfs_bin_attr_init(&image_attr); - image_attr.private = bgrt_image; - image_attr.size = bgrt_image_size; + bin_attr_image.private = bgrt_image; + bin_attr_image.size = bgrt_image_size; bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj); if (!bgrt_kobj) @@ -98,14 +98,8 @@ static int __init bgrt_init(void) if (ret) goto out_kobject; - ret = sysfs_create_bin_file(bgrt_kobj, &image_attr); - if (ret) - goto out_group; - return 0; -out_group: - sysfs_remove_group(bgrt_kobj, &bgrt_attribute_group); out_kobject: kobject_put(bgrt_kobj); return ret; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
