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Diffstat (limited to 'kernel')
-rw-r--r--kernel/fail_function.c5
-rw-r--r--kernel/ksysfs.c9
2 files changed, 10 insertions, 4 deletions
diff --git a/kernel/fail_function.c b/kernel/fail_function.c
index a7ccd2930c5f..d971a0189319 100644
--- a/kernel/fail_function.c
+++ b/kernel/fail_function.c
@@ -163,10 +163,7 @@ static void fei_debugfs_add_attr(struct fei_attr *attr)
static void fei_debugfs_remove_attr(struct fei_attr *attr)
{
- struct dentry *dir;
-
- dir = debugfs_lookup(attr->kp.symbol_name, fei_debugfs_dir);
- debugfs_remove_recursive(dir);
+ debugfs_lookup_and_remove(attr->kp.symbol_name, fei_debugfs_dir);
}
static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs)
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 2df00b789b90..0408aab80941 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -51,6 +51,14 @@ static ssize_t cpu_byteorder_show(struct kobject *kobj,
}
KERNEL_ATTR_RO(cpu_byteorder);
+/* address bits */
+static ssize_t address_bits_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ return sysfs_emit(buf, "%zu\n", sizeof(void *) * 8 /* CHAR_BIT */);
+}
+KERNEL_ATTR_RO(address_bits);
+
#ifdef CONFIG_UEVENT_HELPER
/* uevent helper program, used during early boot */
static ssize_t uevent_helper_show(struct kobject *kobj,
@@ -233,6 +241,7 @@ static struct attribute * kernel_attrs[] = {
&fscaps_attr.attr,
&uevent_seqnum_attr.attr,
&cpu_byteorder_attr.attr,
+ &address_bits_attr.attr,
#ifdef CONFIG_UEVENT_HELPER
&uevent_helper_attr.attr,
#endif