Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/kernel/fail_function.c b/kernel/fail_function.c
index bc80a4e..63b3491 100644
--- a/kernel/fail_function.c
+++ b/kernel/fail_function.c
@@ -152,20 +152,13 @@
DEFINE_DEBUGFS_ATTRIBUTE(fei_retval_ops, fei_retval_get, fei_retval_set,
"%llx\n");
-static int fei_debugfs_add_attr(struct fei_attr *attr)
+static void fei_debugfs_add_attr(struct fei_attr *attr)
{
struct dentry *dir;
dir = debugfs_create_dir(attr->kp.symbol_name, fei_debugfs_dir);
- if (!dir)
- return -ENOMEM;
- if (!debugfs_create_file("retval", 0600, dir, attr, &fei_retval_ops)) {
- debugfs_remove_recursive(dir);
- return -ENOMEM;
- }
-
- return 0;
+ debugfs_create_file("retval", 0600, dir, attr, &fei_retval_ops);
}
static void fei_debugfs_remove_attr(struct fei_attr *attr)
@@ -173,8 +166,7 @@
struct dentry *dir;
dir = debugfs_lookup(attr->kp.symbol_name, fei_debugfs_dir);
- if (dir)
- debugfs_remove_recursive(dir);
+ debugfs_remove_recursive(dir);
}
static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs)
@@ -211,7 +203,7 @@
{
struct fei_attr *attr = list_entry(v, struct fei_attr, list);
- seq_printf(m, "%pf\n", attr->kp.addr);
+ seq_printf(m, "%ps\n", attr->kp.addr);
return 0;
}
@@ -307,7 +299,7 @@
ret = register_kprobe(&attr->kp);
if (!ret)
- ret = fei_debugfs_add_attr(attr);
+ fei_debugfs_add_attr(attr);
if (ret < 0)
fei_attr_remove(attr);
else {
@@ -338,19 +330,13 @@
return PTR_ERR(dir);
/* injectable attribute is just a symlink of error_inject/list */
- if (!debugfs_create_symlink("injectable", dir,
- "../error_injection/list"))
- goto error;
+ debugfs_create_symlink("injectable", dir, "../error_injection/list");
- if (!debugfs_create_file("inject", 0600, dir, NULL, &fei_ops))
- goto error;
+ debugfs_create_file("inject", 0600, dir, NULL, &fei_ops);
fei_debugfs_dir = dir;
return 0;
-error:
- debugfs_remove_recursive(dir);
- return -ENOMEM;
}
late_initcall(fei_debugfs_init);