author: Eric Sandeen <sandeen@sandeen.net> 2019-05-14 15:45:10 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2019-05-14 19:52:51 -0700
commit: 2ea622b887e74497ce5aac5bfe247502b5786f56
parent: a0edef79685c508fde517e6defac23b3ba60c422
Commit Summary:
Diffstat:
1 file changed, 16 insertions, 1 deletion
diff --git a/lib/test_sysctl.c b/lib/test_sysctl.c
index 3dd801c1c85b..566dad3f4196 100644
--- a/lib/test_sysctl.c
+++ b/lib/test_sysctl.c
@@ -47,6 +47,9 @@ struct test_sysctl_data {
unsigned int uint_0001;
char string_0001[65];
+
+#define SYSCTL_TEST_BITMAP_SIZE 65536
+ unsigned long *bitmap_0001;
};
static struct test_sysctl_data test_data = {
@@ -102,6 +105,13 @@ static struct ctl_table test_table[] = {
.mode = 0644,
.proc_handler = proc_dostring,
},
+ {
+ .procname = "bitmap_0001",
+ .data = &test_data.bitmap_0001,
+ .maxlen = SYSCTL_TEST_BITMAP_SIZE,
+ .mode = 0644,
+ .proc_handler = proc_do_large_bitmap,
+ },
{ }
};
@@ -129,15 +139,21 @@ static struct ctl_table_header *test_sysctl_header;
static int __init test_sysctl_init(void)
{
+ test_data.bitmap_0001 = kzalloc(SYSCTL_TEST_BITMAP_SIZE/8, GFP_KERNEL);
+ if (!test_data.bitmap_0001)
+ return -ENOMEM;
test_sysctl_header = register_sysctl_table(test_sysctl_root_table);
- if (!test_sysctl_header)
+ if (!test_sysctl_header) {
+ kfree(test_data.bitmap_0001);
return -ENOMEM;
+ }
return 0;
}
late_initcall(test_sysctl_init);
static void __exit test_sysctl_exit(void)
{
+ kfree(test_data.bitmap_0001);
if (test_sysctl_header)
unregister_sysctl_table(test_sysctl_header);
}