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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Lukas Czerner <lczerner@redhat.com>,
	Jan Kara <jack@suse.cz>, Theodore Tso <tytso@mit.edu>
Subject: [PATCH 4.9 01/25] ext4: handle error of ext4_setup_system_zone() on remount
Date: Mon, 22 Mar 2021 13:28:51 +0100	[thread overview]
Message-ID: <20210322121920.447381451@linuxfoundation.org> (raw)
In-Reply-To: <20210322121920.399826335@linuxfoundation.org>

From: Jan Kara <jack@suse.cz>

commit d176b1f62f242ab259ff665a26fbac69db1aecba upstream.

ext4_setup_system_zone() can fail. Handle the failure in ext4_remount().

Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20200728130437.7804-2-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/ext4/super.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5148,7 +5148,10 @@ static int ext4_remount(struct super_blo
 		ext4_register_li_request(sb, first_not_zeroed);
 	}
 
-	ext4_setup_system_zone(sb);
+	err = ext4_setup_system_zone(sb);
+	if (err)
+		goto restore_opts;
+
 	if (sbi->s_journal == NULL && !(old_sb_flags & MS_RDONLY))
 		ext4_commit_super(sb, 1);
 



  reply	other threads:[~2021-03-22 13:09 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-22 12:28 [PATCH 4.9 00/25] 4.9.263-rc1 review Greg Kroah-Hartman
2021-03-22 12:28 ` Greg Kroah-Hartman [this message]
2021-03-22 12:28 ` [PATCH 4.9 02/25] ext4: dont allow overlapping system zones Greg Kroah-Hartman
2021-03-22 12:28 ` [PATCH 4.9 03/25] ext4: check journal inode extents more carefully Greg Kroah-Hartman
2021-03-22 12:28 ` [PATCH 4.9 04/25] net: dsa: b53: Support setting learning on port Greg Kroah-Hartman
2021-03-22 12:28 ` [PATCH 4.9 05/25] ixgbe: check for Tx timestamp timeouts during watchdog Greg Kroah-Hartman
2021-03-22 12:28 ` [PATCH 4.9 06/25] ixgbe: prevent ptp_rx_hang from running when in FILTER_ALL mode Greg Kroah-Hartman
2021-03-22 12:28 ` [PATCH 4.9 07/25] btrfs: fix race when cloning extent buffer during rewind of an old root Greg Kroah-Hartman
2021-03-22 12:28 ` [PATCH 4.9 08/25] nvmet: dont check iosqes,iocqes for discovery controllers Greg Kroah-Hartman
2021-03-22 12:28 ` [PATCH 4.9 09/25] NFSD: Repair misuse of sv_lock in 5.10.16-rt30 Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 10/25] svcrdma: disable timeouts on rdma backchannel Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 11/25] sunrpc: fix refcount leak for rpc auth modules Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 12/25] net/qrtr: fix __netdev_alloc_skb call Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 13/25] scsi: lpfc: Fix some error codes in debugfs Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 14/25] USB: replace hardcode maximum usb string length by definition Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 15/25] usb: gadget: configfs: Fix KASAN use-after-free Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 16/25] iio: adis16400: Fix an error code in adis16400_initial_setup() Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 17/25] PCI: rpadlpar: Fix potential drc_name corruption in store functions Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 18/25] perf/x86/intel: Fix a crash caused by zero PEBS status Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 19/25] x86/ioapic: Ignore IRQ2 again Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 20/25] kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data() Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 21/25] x86: Move TS_COMPAT back to asm/thread_info.h Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 22/25] x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall() Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 23/25] ext4: find old entry again if failed to rename whiteout Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 24/25] ext4: fix potential error in ext4_do_update_inode Greg Kroah-Hartman
2021-03-22 12:29 ` [PATCH 4.9 25/25] genirq: Disable interrupts for force threaded handlers Greg Kroah-Hartman
2021-03-22 19:23 ` [PATCH 4.9 00/25] 4.9.263-rc1 review Florian Fainelli
2021-03-22 21:54 ` Guenter Roeck
2021-03-23 13:12 ` Naresh Kamboju

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