From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Luis Henriques <lhenriques@suse.com>,
Jeff Layton <jlayton@kernel.org>,
Ilya Dryomov <idryomov@gmail.com>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 28/40] libceph: allow ceph_buffer_put() to receive a NULL ceph_buffer
Date: Sun, 8 Sep 2019 13:42:01 +0100 [thread overview]
Message-ID: <20190908121128.111462356@linuxfoundation.org> (raw)
In-Reply-To: <20190908121114.260662089@linuxfoundation.org>
[ Upstream commit 5c498950f730aa17c5f8a2cdcb903524e4002ed2 ]
Signed-off-by: Luis Henriques <lhenriques@suse.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/linux/ceph/buffer.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h
index 5e58bb29b1a36..11cdc7c60480f 100644
--- a/include/linux/ceph/buffer.h
+++ b/include/linux/ceph/buffer.h
@@ -30,7 +30,8 @@ static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b)
static inline void ceph_buffer_put(struct ceph_buffer *b)
{
- kref_put(&b->kref, ceph_buffer_release);
+ if (b)
+ kref_put(&b->kref, ceph_buffer_release);
}
extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end);
--
2.20.1
next prev parent reply other threads:[~2019-09-08 12:59 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-08 12:41 [PATCH 4.14 00/40] 4.14.143-stable review Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 01/40] net: tundra: tsi108: use spin_lock_irqsave instead of spin_lock_irq in IRQ context Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 02/40] hv_netvsc: Fix a warning of suspicious RCU usage Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 03/40] net: tc35815: Explicitly check NET_IP_ALIGN is not zero in tc35815_rx Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 04/40] Bluetooth: btqca: Add a short delay before downloading the NVM Greg Kroah-Hartman
2019-09-09 16:13 ` Matthias Kaehlcke
2019-09-08 12:41 ` [PATCH 4.14 05/40] Bluetooth: hidp: Let hidp_send_message return number of queued bytes Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 06/40] ibmveth: Convert multicast list size for little-endian system Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 07/40] gpio: Fix build error of function redefinition Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 08/40] drm/mediatek: use correct device to import PRIME buffers Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 09/40] drm/mediatek: set DMA max segment size Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 10/40] cxgb4: fix a memory leak bug Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 11/40] liquidio: add cleanup in octeon_setup_iq() Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 12/40] net: myri10ge: fix memory leaks Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 13/40] lan78xx: Fix " Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 14/40] vfs: fix page locking deadlocks when deduping files Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 15/40] cx82310_eth: fix a memory leak bug Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 16/40] net: kalmia: fix memory leaks Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 17/40] wimax/i2400m: fix a memory leak bug Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 18/40] ravb: Fix use-after-free ravb_tstamp_skb Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 19/40] kprobes: Fix potential deadlock in kprobe_optimizer() Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 20/40] HID: cp2112: prevent sleeping function called from invalid context Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 21/40] Input: hyperv-keyboard: Use in-place iterator API in the channel callback Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 22/40] Tools: hv: kvp: eliminate may be used uninitialized warning Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 23/40] IB/mlx4: Fix memory leaks Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 24/40] ceph: fix buffer free while holding i_ceph_lock in __ceph_setxattr() Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 25/40] ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.14 26/40] ceph: fix buffer free while holding i_ceph_lock in fill_inode() Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 27/40] KVM: arm/arm64: Only skip MMIO insn once Greg Kroah-Hartman
2019-09-08 12:42 ` Greg Kroah-Hartman [this message]
2019-09-08 12:42 ` [PATCH 4.14 29/40] spi: bcm2835aux: unifying code between polling and interrupt driven code Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 30/40] spi: bcm2835aux: remove dangerous uncontrolled read of fifo Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 31/40] spi: bcm2835aux: fix corruptions for longer spi transfers Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 32/40] Revert "x86/apic: Include the LDR when clearing out APIC registers" Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 33/40] net: fix skb use after free in netpoll Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 34/40] net_sched: fix a NULL pointer deref in ipt action Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 35/40] net: stmmac: dwmac-rk: Dont fail if phy regulator is absent Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 36/40] tcp: inherit timestamp on mtu probe Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 37/40] tcp: remove empty skb from write queue in error cases Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 38/40] net: sched: act_sample: fix psample group handling on overwrite Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 39/40] mld: fix memory leak in mld_del_delrec() Greg Kroah-Hartman
2019-09-08 12:42 ` [PATCH 4.14 40/40] x86/boot: Preserve boot_params.secure_boot from sanitizing Greg Kroah-Hartman
2019-09-08 16:58 ` [PATCH 4.14 00/40] 4.14.143-stable review kernelci.org bot
2019-09-09 1:35 ` Naresh Kamboju
2019-09-09 14:50 ` Bharath Vedartham
2019-09-09 19:39 ` Guenter Roeck
2019-09-10 9:19 ` Jon Hunter
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