Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
kheaders: Simplify attribute through __BIN_ATTR_SIMPLE_RO()
The utility macro from the sysfs core is sufficient to implement this
attribute. Make use of it.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20241221-sysfs-const-bin_attr-kheaders-v2-1-8205538aa012@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
authored by
Thomas Weißschuh
and committed by
Greg Kroah-Hartman
5ab5a377
e62fedef
+3
-16
+3
-16
kernel/kheaders.c
+3
-16
kernel/kheaders.c
···
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extern char kernel_headers_data[];
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extern char kernel_headers_data_end[];
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static ssize_t
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ikheaders_read(struct file *file, struct kobject *kobj,
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struct bin_attribute *bin_attr,
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char *buf, loff_t off, size_t len)
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{
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memcpy(buf, &kernel_headers_data[off], len);
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return len;
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}
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static struct bin_attribute kheaders_attr __ro_after_init = {
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.attr = {
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.name = "kheaders.tar.xz",
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.mode = 0444,
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},
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.read = &ikheaders_read,
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};
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static struct bin_attribute kheaders_attr __ro_after_init =
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__BIN_ATTR_SIMPLE_RO(kheaders.tar.xz, 0444);
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static int __init ikheaders_init(void)
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{
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kheaders_attr.private = kernel_headers_data;
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kheaders_attr.size = (kernel_headers_data_end -
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kernel_headers_data);
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return sysfs_create_bin_file(kernel_kobj, &kheaders_attr);