5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
40 lines
823 B
C
40 lines
823 B
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
#include <linux/fault-inject.h>
|
|
#include <linux/fault-inject-usercopy.h>
|
|
|
|
static struct {
|
|
struct fault_attr attr;
|
|
} fail_usercopy = {
|
|
.attr = FAULT_ATTR_INITIALIZER,
|
|
};
|
|
|
|
static int __init setup_fail_usercopy(char *str)
|
|
{
|
|
return setup_fault_attr(&fail_usercopy.attr, str);
|
|
}
|
|
__setup("fail_usercopy=", setup_fail_usercopy);
|
|
|
|
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
|
|
|
|
static int __init fail_usercopy_debugfs(void)
|
|
{
|
|
struct dentry *dir;
|
|
|
|
dir = fault_create_debugfs_attr("fail_usercopy", NULL,
|
|
&fail_usercopy.attr);
|
|
if (IS_ERR(dir))
|
|
return PTR_ERR(dir);
|
|
|
|
return 0;
|
|
}
|
|
|
|
late_initcall(fail_usercopy_debugfs);
|
|
|
|
#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */
|
|
|
|
bool should_fail_usercopy(void)
|
|
{
|
|
return should_fail(&fail_usercopy.attr, 1);
|
|
}
|
|
EXPORT_SYMBOL_GPL(should_fail_usercopy);
|