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 4.4 16/23] libceph: allow ceph_buffer_put() to receive a NULL ceph_buffer
Date: Sun, 8 Sep 2019 13:41:51 +0100 [thread overview]
Message-ID: <20190908121100.477137033@linuxfoundation.org> (raw)
In-Reply-To: <20190908121052.898169328@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 07ca15e761001..dada47a4360ff 100644
--- a/include/linux/ceph/buffer.h
+++ b/include/linux/ceph/buffer.h
@@ -29,7 +29,8 @@ 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 12:43 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-08 12:41 [PATCH 4.4 00/23] 4.4.192-stable review Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 01/23] net: tundra: tsi108: use spin_lock_irqsave instead of spin_lock_irq in IRQ context Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 02/23] net: tc35815: Explicitly check NET_IP_ALIGN is not zero in tc35815_rx Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 03/23] Bluetooth: btqca: Add a short delay before downloading the NVM Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 04/23] ibmveth: Convert multicast list size for little-endian system Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 05/23] gpio: Fix build error of function redefinition Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 06/23] cxgb4: fix a memory leak bug Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 07/23] net: myri10ge: fix memory leaks Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 08/23] cx82310_eth: fix a memory leak bug Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 09/23] net: kalmia: fix memory leaks Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 10/23] wimax/i2400m: fix a memory leak bug Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 11/23] ravb: Fix use-after-free ravb_tstamp_skb Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 12/23] Tools: hv: kvp: eliminate may be used uninitialized warning Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 13/23] IB/mlx4: Fix memory leaks Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 14/23] ceph: fix buffer free while holding i_ceph_lock in __ceph_setxattr() Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 15/23] KVM: arm/arm64: Only skip MMIO insn once Greg Kroah-Hartman
2019-09-08 12:41 ` Greg Kroah-Hartman [this message]
2019-09-08 12:41 ` [PATCH 4.4 17/23] spi: bcm2835aux: ensure interrupts are enabled for shared handler Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 18/23] spi: bcm2835aux: unifying code between polling and interrupt driven code Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 19/23] spi: bcm2835aux: remove dangerous uncontrolled read of fifo Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 20/23] spi: bcm2835aux: fix corruptions for longer spi transfers Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 21/23] Revert "x86/apic: Include the LDR when clearing out APIC registers" Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 22/23] net: fix skb use after free in netpoll Greg Kroah-Hartman
2019-09-08 12:41 ` [PATCH 4.4 23/23] net: stmmac: dwmac-rk: Dont fail if phy regulator is absent Greg Kroah-Hartman
2019-09-08 16:38 ` [PATCH 4.4 00/23] 4.4.192-stable review kernelci.org bot
2019-09-09 13:19 ` Naresh Kamboju
2019-09-09 14:49 ` Bharath Vedartham
2019-09-09 19:38 ` Guenter Roeck
2019-09-10 9:18 ` Jon Hunter
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