From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Martin Wilck <mwilck@suse.com>, Christoph Hellwig <hch@lst.de>,
Lee Duncan <lduncan@suse.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Sasha Levin <sashal@kernel.org>,
linux-scsi@vger.kernel.org, target-devel@vger.kernel.org
Subject: [PATCH AUTOSEL 5.10 26/33] scsi: target: pscsi: Clean up after failure in pscsi_map_sg()
Date: Mon, 29 Mar 2021 18:22:14 -0400 [thread overview]
Message-ID: <20210329222222.2382987-26-sashal@kernel.org> (raw)
In-Reply-To: <20210329222222.2382987-1-sashal@kernel.org>
From: Martin Wilck <mwilck@suse.com>
[ Upstream commit 36fa766faa0c822c860e636fe82b1affcd022974 ]
If pscsi_map_sg() fails, make sure to drop references to already allocated
bios.
Link: https://lore.kernel.org/r/20210323212431.15306-2-mwilck@suse.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/target/target_core_pscsi.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 4e37fa9b409d..723a51a3f431 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -939,6 +939,14 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
return 0;
fail:
+ if (bio)
+ bio_put(bio);
+ while (req->bio) {
+ bio = req->bio;
+ req->bio = bio->bi_next;
+ bio_put(bio);
+ }
+ req->biotail = NULL;
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
--
2.30.1
next prev parent reply other threads:[~2021-03-29 22:27 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 22:21 [PATCH AUTOSEL 5.10 01/33] ARM: dts: am33xx: add aliases for mmc interfaces Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 02/33] bus: ti-sysc: Fix warning on unbind if reset is not deasserted Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 03/33] platform/x86: intel-hid: Support Lenovo ThinkPad X1 Tablet Gen 2 Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 04/33] bpf, x86: Use kvmalloc_array instead kmalloc_array in bpf_jit_comp Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 05/33] net/mlx5e: Enforce minimum value check for ICOSQ size Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 06/33] net: pxa168_eth: Fix a potential data race in pxa168_eth_remove Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 07/33] kunit: tool: Fix a python tuple typing error Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 08/33] mISDN: fix crash in fritzpci Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 09/33] net: correct sk_acceptq_is_full() Sasha Levin
2021-04-05 18:59 ` Marcelo Ricardo Leitner
2021-04-07 14:15 ` Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 10/33] mac80211: fix double free in ibss_leave Sasha Levin
2021-03-29 22:21 ` [PATCH AUTOSEL 5.10 11/33] mac80211: Check crypto_aead_encrypt for errors Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 12/33] mac80211: choose first enabled channel for monitor Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 13/33] drm/msm/dsi_pll_7nm: Fix variable usage for pll_lockdet_rate Sasha Levin
2021-03-29 22:22 ` Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 14/33] drm/msm/adreno: a5xx_power: Don't apply A540 lm_setup to other GPUs Sasha Levin
2021-03-29 22:22 ` Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 15/33] drm/msm: Ratelimit invalid-fence message Sasha Levin
2021-03-29 22:22 ` Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 16/33] netfilter: conntrack: Fix gre tunneling over ipv6 Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 17/33] netfilter: nftables: skip hook overlap logic if flowtable is stale Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 18/33] net: ipa: fix init header command validation Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 19/33] platform/x86: thinkpad_acpi: Allow the FnLock LED to change state Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 20/33] kselftest/arm64: sve: Do not use non-canonical FFR register value Sasha Levin
2021-03-29 22:22 ` Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 21/33] drm/msm/disp/dpu1: icc path needs to be set before dpu runtime resume Sasha Levin
2021-03-29 22:22 ` Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 22/33] x86/build: Turn off -fcf-protection for realmode targets Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 23/33] block: clear GD_NEED_PART_SCAN later in bdev_disk_changed Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 24/33] platform/x86: intel_pmc_core: Ignore GBE LTR on Tiger Lake platforms Sasha Levin
2021-03-29 22:22 ` [Intel-wired-lan] " Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 25/33] ptp_qoriq: fix overflow in ptp_qoriq_adjfine() u64 calcalation Sasha Levin
2021-03-29 22:22 ` Sasha Levin [this message]
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 27/33] selftests/vm: fix out-of-tree build Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 28/33] ia64: mca: allocate early mca with GFP_ATOMIC Sasha Levin
2021-03-29 22:22 ` Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 29/33] ia64: fix format strings for err_inject Sasha Levin
2021-03-29 22:22 ` Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 30/33] cifs: revalidate mapping when we open files for SMB1 POSIX Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 31/33] cifs: Silently ignore unknown oplock break handle Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 32/33] io_uring: fix timeout cancel return code Sasha Levin
2021-03-29 22:22 ` [PATCH AUTOSEL 5.10 33/33] math: Export mul_u64_u64_div_u64 Sasha Levin
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