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authorLinus Torvalds2014-12-10 12:42:16 -0800
committerLinus Torvalds2014-12-10 12:42:16 -0800
commit8139548136d966863751a6e5ce8a19d08c4f374a (patch)
tree9c42f05734e867db8729b37224d978b5a434714f /fs
parent206f18f2caaf965870ff558e237e9c23164a66f0 (diff)
parent595247f61f9840222a4dec4baefd66ad6d5b0d6a (diff)
Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar: "Changes in this cycle are: - support module unload for efivarfs (Mathias Krause) - another attempt at moving x86 to libstub taking advantage of the __pure attribute (Ard Biesheuvel) - add EFI runtime services section to ptdump (Mathias Krause)" * 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, ptdump: Add section for EFI runtime services efi/x86: Move x86 back to libstub efivarfs: Allow unloading when build as module
Diffstat (limited to 'fs')
-rw-r--r--fs/efivarfs/super.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 0a48886e069c..6dad1176ec52 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -236,6 +236,7 @@ static void efivarfs_kill_sb(struct super_block *sb)
}
static struct file_system_type efivarfs_type = {
+ .owner = THIS_MODULE,
.name = "efivarfs",
.mount = efivarfs_mount,
.kill_sb = efivarfs_kill_sb,
@@ -244,17 +245,23 @@ static struct file_system_type efivarfs_type = {
static __init int efivarfs_init(void)
{
if (!efi_enabled(EFI_RUNTIME_SERVICES))
- return 0;
+ return -ENODEV;
if (!efivars_kobject())
- return 0;
+ return -ENODEV;
return register_filesystem(&efivarfs_type);
}
+static __exit void efivarfs_exit(void)
+{
+ unregister_filesystem(&efivarfs_type);
+}
+
MODULE_AUTHOR("Matthew Garrett, Jeremy Kerr");
MODULE_DESCRIPTION("EFI Variable Filesystem");
MODULE_LICENSE("GPL");
MODULE_ALIAS_FS("efivarfs");
module_init(efivarfs_init);
+module_exit(efivarfs_exit);