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authorLinus Torvalds <torvalds@linux-foundation.org>2018-01-06 17:13:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-06 17:13:21 -0800
commit75d4276e83a353d5e41da676f418d4a12f6f6e6c (patch)
treed3d9a43afa64f5d358b99b987b7ad8c0e2847dac /fs
parentMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff)
parentfix "netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'" (diff)
downloadlinux-dev-75d4276e83a353d5e41da676f418d4a12f6f6e6c.tar.xz
linux-dev-75d4276e83a353d5e41da676f418d4a12f6f6e6c.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro: - untangle sys_close() abuses in xt_bpf - deal with register_shrinker() failures in sget() * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix "netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'" sget(): handle failures of register_shrinker() mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed.
Diffstat (limited to 'fs')
-rw-r--r--fs/super.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c
index 7ff1349609e4..06bd25d90ba5 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -517,7 +517,11 @@ retry:
hlist_add_head(&s->s_instances, &type->fs_supers);
spin_unlock(&sb_lock);
get_filesystem(type);
- register_shrinker(&s->s_shrink);
+ err = register_shrinker(&s->s_shrink);
+ if (err) {
+ deactivate_locked_super(s);
+ s = ERR_PTR(err);
+ }
return s;
}