From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>,
Abaci Robot <abaci@linux.alibaba.com>,
Dave Jiang <dave.jiang@intel.com>, Vinod Koul <vkoul@kernel.org>,
Sasha Levin <sashal@kernel.org>,
dmaengine@vger.kernel.org
Subject: [PATCH AUTOSEL 5.12 08/39] dmaengine: idxd: Fix missing error code in idxd_cdev_open()
Date: Mon, 21 Jun 2021 13:51:24 -0400 [thread overview]
Message-ID: <20210621175156.735062-8-sashal@kernel.org> (raw)
In-Reply-To: <20210621175156.735062-1-sashal@kernel.org>
From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
[ Upstream commit 99b18e88a1cf737ae924123d63b46d9a3d17b1af ]
The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'rc'.
Eliminate the follow smatch warning:
drivers/dma/idxd/cdev.c:113 idxd_cdev_open() warn: missing error code
'rc'.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/1622628446-87909-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/dma/idxd/cdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c
index 1d8a3876b745..5ba8e8bc609f 100644
--- a/drivers/dma/idxd/cdev.c
+++ b/drivers/dma/idxd/cdev.c
@@ -110,6 +110,7 @@ static int idxd_cdev_open(struct inode *inode, struct file *filp)
pasid = iommu_sva_get_pasid(sva);
if (pasid == IOMMU_PASID_INVALID) {
iommu_sva_unbind_device(sva);
+ rc = -EINVAL;
goto failed;
}
--
2.30.2
next prev parent reply other threads:[~2021-06-21 17:52 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-21 17:51 [PATCH AUTOSEL 5.12 01/39] dmaengine: zynqmp_dma: Fix PM reference leak in zynqmp_dma_alloc_chan_resourc() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 02/39] dmaengine: stm32-mdma: fix PM reference leak in stm32_mdma_alloc_chan_resourc() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 03/39] dmaengine: xilinx: dpdma: Add missing dependencies to Kconfig Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 04/39] dmaengine: xilinx: dpdma: Limit descriptor IDs to 16 bits Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 05/39] mac80211: remove warning in ieee80211_get_sband() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 06/39] mac80211_hwsim: drop pending frames on stop Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 07/39] cfg80211: call cfg80211_leave_ocb when switching away from OCB Sasha Levin
2021-06-21 17:51 ` Sasha Levin [this message]
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 09/39] dmaengine: rcar-dmac: Fix PM reference leak in rcar_dmac_probe() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 10/39] dmaengine: mediatek: free the proper desc in desc_free handler Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 11/39] dmaengine: mediatek: do not issue a new desc if one is still current Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 12/39] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 13/39] net: ipv4: Remove unneed BUG() function Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 14/39] mac80211: drop multicast fragments Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 15/39] net: ethtool: clear heap allocations for ethtool function Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 16/39] inet: annotate data race in inet_send_prepare() and inet_dgram_connect() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 17/39] ping: Check return value of function 'ping_queue_rcv_skb' Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 18/39] net: annotate data race in sock_error() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 19/39] inet: annotate date races around sk->sk_txhash Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 20/39] net/packet: annotate data race in packet_sendmsg() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 21/39] net: phy: dp83867: perform soft reset and retain established link Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 22/39] riscv32: Use medany C model for modules Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 23/39] net: caif: fix memory leak in ldisc_open Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 24/39] bpf, selftests: Adjust few selftest outcomes wrt unreachable code Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 25/39] qmi_wwan: Do not call netif_rx from rx_fixup Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 26/39] net/packet: annotate accesses to po->bind Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 27/39] net/packet: annotate accesses to po->ifindex Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 28/39] r8152: Avoid memcpy() over-reading of ETH_SS_STATS Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 29/39] sh_eth: " Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 30/39] r8169: " Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 31/39] KVM: selftests: Fix kvm_check_cap() assertion Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 32/39] net: qed: Fix memcpy() overflow of qed_dcbx_params() Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 33/39] mac80211: reset profile_periodicity/ema_ap Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 34/39] mac80211: handle various extensible elements correctly Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 35/39] recordmcount: Correct st_shndx handling Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 36/39] PCI: Add AMD RS690 quirk to enable 64-bit DMA Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 37/39] net: ll_temac: Add memory-barriers for TX BD access Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 38/39] net: ll_temac: Avoid ndo_start_xmit returning NETDEV_TX_BUSY Sasha Levin
2021-06-21 17:51 ` [PATCH AUTOSEL 5.12 39/39] riscv: dts: fu740: fix cache-controller interrupts Sasha Levin
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