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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-12-18 15:05:07 -0500 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@microsoft.com> | 2018-03-20 23:49:44 -0400 |
| commit | 0ca00a61a3608ca07def8516b74b88ae685856dc (patch) | |
| tree | b9c8b1103e789103dce1cf65e26bf3783b0fbe3e /fs | |
| parent | 17710634e40d84baab05c79447686cd6fbdf8c77 (diff) | |
sget(): handle failures of register_shrinker()
[ Upstream commit 9ee332d99e4d5a97548943b81c54668450ce641b ]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/super.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c index 928c20f47af9..3fa6b945a34e 100644 --- a/fs/super.c +++ b/fs/super.c @@ -481,7 +481,11 @@ 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; } |