From: Sasha Levin <Alexander.Levin@microsoft.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL for 3.18 04/24] sget(): handle failures of register_shrinker()
Date: Sat, 3 Feb 2018 18:04:59 +0000 [thread overview]
Message-ID: <20180203180444.10801-4-alexander.levin@microsoft.com> (raw)
In-Reply-To: <20180203180444.10801-1-alexander.levin@microsoft.com>
From: Al Viro <viro@zeniv.linux.org.uk>
[ Upstream commit 9ee332d99e4d5a97548943b81c54668450ce641b ]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
fs/super.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/super.c b/fs/super.c
index 19fafe86071a..d4731c401278 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -476,7 +476,11 @@ 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;
}
--
2.11.0
next prev parent reply other threads:[~2018-02-03 18:23 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-03 18:04 [PATCH AUTOSEL for 3.18 01/24] mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM Sasha Levin
2018-02-03 18:04 ` [PATCH AUTOSEL for 3.18 03/24] mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed Sasha Levin
2018-02-03 18:04 ` [PATCH AUTOSEL for 3.18 02/24] ipv6: icmp6: Allow icmp messages to be looped back Sasha Levin
2018-02-03 18:04 ` Sasha Levin [this message]
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 05/24] spi: atmel: fixed spin_lock usage inside atmel_spi_remove Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 06/24] net: arc_emac: fix arc_emac_rx() error paths Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 07/24] scsi: storvsc: Fix scsi_cmd error assignments in storvsc_handle_error Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 08/24] tg3: Add workaround to restrict 5762 MRRS to 2048 Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 09/24] tg3: Enable PHY reset in MTU change path for 5720 Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 10/24] bnx2x: Improve reliability in case of nested PCI errors Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 11/24] led: core: Fix brightness setting when setting delay_off=0 Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 12/24] s390/dasd: fix wrongly assigned configuration data Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 13/24] xfs: quota: fix missed destroy of qi_tree_lock Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 14/24] xfs: quota: check result of register_shrinker() Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 16/24] drm/ttm: check the return value of kzalloc Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 15/24] e1000: fix disabling already-disabled warning Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 17/24] loop: fix concurrent lo_open/lo_release Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 18/24] xen-netfront: enable device after manual module load Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 19/24] mdio-sun4i: Fix a memory leak Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 20/24] SolutionEngine771x: fix Ether platform data Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 21/24] xen/gntdev: Fix off-by-one error when unmapping with holes Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 22/24] xen/gntdev: Fix partial gntdev_mmap() cleanup Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 23/24] sctp: make use of pre-calculated len Sasha Levin
2018-02-03 18:05 ` [PATCH AUTOSEL for 3.18 24/24] net: gianfar_ptp: move set_fipers() to spinlock protecting area Sasha Levin
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