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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Oded Gabbay <oded.gabbay@gmail.com>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 5.4 10/58] habanalabs: patched cb equals user cb in device memset
Date: Mon,  2 Mar 2020 21:46:52 -0500	[thread overview]
Message-ID: <20200303024740.9511-10-sashal@kernel.org> (raw)
In-Reply-To: <20200303024740.9511-1-sashal@kernel.org>

From: Oded Gabbay <oded.gabbay@gmail.com>

[ Upstream commit cf01514c5c6efa2d521d35e68dff2e0674d08e91 ]

During device memory memset, the driver allocates and use a CB (command
buffer). To reuse existing code, it keeps a pointer to the CB in two
variables, user_cb and patched_cb. Therefore, there is no need to "put"
both the user_cb and patched_cb, as it will cause an underflow of the
refcnt of the CB.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/habanalabs/goya/goya.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 1e97f6d77e3da..13b39fd97429a 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -4666,8 +4666,6 @@ static int goya_memset_device_memory(struct hl_device *hdev, u64 addr, u64 size,
 
 	rc = goya_send_job_on_qman0(hdev, job);
 
-	hl_cb_put(job->patched_cb);
-
 	hl_debugfs_remove_job(hdev, job);
 	kfree(job);
 	cb->cs_cnt--;
-- 
2.20.1


  parent reply	other threads:[~2020-03-03  2:59 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-03  2:46 [PATCH AUTOSEL 5.4 01/58] ALSA: hda: do not override bus codec_mask in link_get() Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 02/58] usb: charger: assign specific number for enum value Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 03/58] serial: ar933x_uart: set UART_CS_{RX,TX}_READY_ORIDE Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 04/58] selftests: fix too long argument Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 05/58] usb: gadget: composite: Support more than 500mA MaxPower Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 06/58] usb: gadget: ffs: ffs_aio_cancel(): Save/restore IRQ flags Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 07/58] usb: gadget: serial: fix Tx stall after buffer overflow Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 08/58] habanalabs: halt the engines before hard-reset Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 09/58] habanalabs: do not halt CoreSight during hard reset Sasha Levin
2020-03-03  2:46 ` Sasha Levin [this message]
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 11/58] drm/msm/mdp5: rate limit pp done timeout warnings Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 12/58] drm: msm: Fix return type of dsi_mgr_connector_mode_valid for kCFI Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 13/58] drm/modes: Make sure to parse valid rotation value from cmdline Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 14/58] drm/modes: Allow DRM_MODE_ROTATE_0 when applying video mode parameters Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 15/58] scsi: megaraid_sas: silence a warning Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 16/58] drm/msm/dsi: save pll state before dsi host is powered off Sasha Levin
2020-03-03  2:46 ` [PATCH AUTOSEL 5.4 17/58] drm/msm/dsi/pll: call vco set rate explicitly Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 18/58] selftests: forwarding: use proto icmp for {gretap, ip6gretap}_mac testing Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 19/58] net: macb: ensure interface is not suspended on at91rm9200 Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 20/58] selftests: forwarding: vxlan_bridge_1d: fix tos value Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 21/58] net: atlantic: check rpc result and wait for rpc address Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 22/58] net: atlantic: fix use after free kasan warn Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 23/58] net: atlantic: fix potential error handling Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 24/58] net: atlantic: fix out of range usage of active_vlans array Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 25/58] net: phy: restore mdio regs in the iproc mdio driver Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 26/58] net: dsa: b53: Ensure the default VID is untagged Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 27/58] bonding: add missing netdev_update_lockdep_key() Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 28/58] net: ks8851-ml: Remove 8-bit bus accessors Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 29/58] net: ks8851-ml: Fix 16-bit data access Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 30/58] net: ks8851-ml: Fix 16-bit IO operation Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 31/58] net: ethernet: dm9000: Handle -EPROBE_DEFER in dm9000_parse_dt() Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 32/58] watchdog: da9062: do not ping the hw during stop() Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 33/58] s390/cio: cio_ignore_proc_seq_next should increase position index Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 34/58] s390: make 'install' not depend on vmlinux Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 35/58] net: mscc: fix in frame extraction Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 36/58] efi: Only print errors about failing to get certs if EFI vars are found Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 37/58] qede: Fix race between rdma destroy workqueue and link change event Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 38/58] net/mlx5: DR, Fix matching on vport gvmi Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 39/58] iommu/amd: Disable IOMMU on Stoney Ridge systems Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 40/58] nvme/pci: Add sleep quirk for Samsung and Toshiba drives Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 41/58] nvme-pci: Use single IRQ vector for old Apple models Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 42/58] x86/boot/compressed: Don't declare __force_order in kaslr_64.c Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 43/58] s390/qdio: fill SL with absolute addresses Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 44/58] nvme: Fix uninitialized-variable warning Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 45/58] nfc: pn544: Fix occasional HW initialization failure Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 46/58] ice: Don't tell the OS that link is going down Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 47/58] x86/xen: Distribute switch variables for initialization Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 48/58] s390/qeth: vnicc Fix EOPNOTSUPP precedence Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 49/58] net: thunderx: workaround BGX TX Underflow issue Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 50/58] bnxt_en: Improve device shutdown method Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 51/58] bnxt_en: Issue PCIe FLR in kdump kernel to cleanup pending DMAs Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 52/58] csky/mm: Fixup export invalid_pte_table symbol Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 53/58] csky: Set regs->usp to kernel sp, when the exception is from kernel Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 54/58] csky/smp: Fixup boot failed when CONFIG_SMP Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 55/58] csky: Fixup ftrace modify panic Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 56/58] csky: Fixup compile warning for three unimplemented syscalls Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 57/58] arch/csky: fix some Kconfig typos Sasha Levin
2020-03-03  2:47 ` [PATCH AUTOSEL 5.4 58/58] selftests: forwarding: vxlan_bridge_1d: use more proper tos value Sasha Levin

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