From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Zumeng Chen <zumeng.chen@gmail.com>,
Lee Jones <lee.jones@linaro.org>,
Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.4 42/56] mfd: ti_am335x_tscadc: Fix struct clk memory leak
Date: Tue, 18 Sep 2018 00:42:15 +0200 [thread overview]
Message-ID: <20180917213829.658724921@linuxfoundation.org> (raw)
In-Reply-To: <20180917213827.913122591@linuxfoundation.org>
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Zumeng Chen <zumeng.chen@gmail.com>
[ Upstream commit c2b1509c77a99a0dcea0a9051ca743cb88385f50 ]
Use devm_elk_get() to let Linux manage struct clk memory to avoid the following
memory leakage report:
unreferenced object 0xdd75efc0 (size 64):
comm "systemd-udevd", pid 186, jiffies 4294945126 (age 1195.750s)
hex dump (first 32 bytes):
61 64 63 5f 74 73 63 5f 66 63 6b 00 00 00 00 00 adc_tsc_fck.....
00 00 00 00 92 03 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<c0a15260>] kmemleak_alloc+0x40/0x74
[<c0287a10>] __kmalloc_track_caller+0x198/0x388
[<c0255610>] kstrdup+0x40/0x5c
[<c025565c>] kstrdup_const+0x30/0x3c
[<c0636630>] __clk_create_clk+0x60/0xac
[<c0630918>] clk_get_sys+0x74/0x144
[<c0630cdc>] clk_get+0x5c/0x68
[<bf0ac540>] ti_tscadc_probe+0x260/0x468 [ti_am335x_tscadc]
[<c06f3c0c>] platform_drv_probe+0x60/0xac
[<c06f1abc>] driver_probe_device+0x214/0x2dc
[<c06f1c18>] __driver_attach+0x94/0xc0
[<c06efe2c>] bus_for_each_dev+0x90/0xa0
[<c06f1470>] driver_attach+0x28/0x30
[<c06f1030>] bus_add_driver+0x184/0x1ec
[<c06f2b74>] driver_register+0xb0/0xf0
[<c06f3b4c>] __platform_driver_register+0x40/0x54
Signed-off-by: Zumeng Chen <zumeng.chen@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mfd/ti_am335x_tscadc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -224,14 +224,13 @@ static int ti_tscadc_probe(struct platfo
* The TSC_ADC_SS controller design assumes the OCP clock is
* at least 6x faster than the ADC clock.
*/
- clk = clk_get(&pdev->dev, "adc_tsc_fck");
+ clk = devm_clk_get(&pdev->dev, "adc_tsc_fck");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get TSC fck\n");
err = PTR_ERR(clk);
goto err_disable_clk;
}
clock_rate = clk_get_rate(clk);
- clk_put(clk);
tscadc->clk_div = clock_rate / ADC_CLK;
/* TSCADC_CLKDIV needs to be configured to the value minus 1 */
next prev parent reply other threads:[~2018-09-17 22:51 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-17 22:41 [PATCH 4.4 00/56] 4.4.157-stable review Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 01/56] i2c: xiic: Make the start and the byte count write atomic Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 02/56] i2c: i801: fix DNVs SMBCTRL register offset Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 03/56] ALSA: hda - Fix cancel_work_sync() stall from jackpoll work Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 04/56] cfq: Give a chance for arming slice idle timer in case of group_idle Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 05/56] kthread: Fix use-after-free if kthread fork fails Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 06/56] kthread: fix boot hang (regression) on MIPS/OpenRISC Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 07/56] staging: rt5208: Fix a sleep-in-atomic bug in xd_copy_page Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 08/56] staging/rts5208: Fix read overflow in memcpy Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 09/56] block,blkcg: use __GFP_NOWARN for best-effort allocations in blkcg Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 10/56] locking/rwsem-xadd: Fix missed wakeup due to reordering of load Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 11/56] selinux: use GFP_NOWAIT in the AVC kmem_caches Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 12/56] locking/osq_lock: Fix osq_lock queue corruption Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 13/56] ARC: [plat-axs*]: Enable SWAP Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 14/56] misc: mic: SCIF Fix scif_get_new_port() error handling Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 15/56] ethtool: Remove trailing semicolon for static inline Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 16/56] Bluetooth: h5: Fix missing dependency on BT_HCIUART_SERDEV Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 17/56] gpio: tegra: Move driver registration to subsys_init level Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 18/56] scsi: target: fix __transport_register_session locking Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 19/56] md/raid5: fix data corruption of replacements after originals dropped Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 20/56] misc: ti-st: Fix memory leak in the error path of probe() Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 21/56] uio: potential double frees if __uio_register_device() fails Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 22/56] tty: rocket: Fix possible buffer overwrite on register_PCI Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 23/56] f2fs: do not set free of current section Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 24/56] perf tools: Allow overriding MAX_NR_CPUS at compile time Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 25/56] NFSv4.0 fix client reference leak in callback Greg Kroah-Hartman
2018-09-17 22:41 ` [PATCH 4.4 26/56] macintosh/via-pmu: Add missing mmio accessors Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 27/56] ath10k: prevent active scans on potential unusable channels Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 28/56] MIPS: Fix ISA virt/bus conversion for non-zero PHYS_OFFSET Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 29/56] ata: libahci: Correct setting of DEVSLP register Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 30/56] scsi: 3ware: fix return 0 on the error path of probe Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 31/56] ath10k: disable bundle mgmt tx completion event support Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 32/56] Bluetooth: hidp: Fix handling of strncpy for hid->name information Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 33/56] x86/mm: Remove in_nmi() warning from vmalloc_fault() Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 34/56] gpio: ml-ioh: Fix buffer underwrite on probe error path Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 35/56] net: mvneta: fix mtu change on port without link Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 36/56] MIPS: Octeon: add missing of_node_put() Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 37/56] net: dcb: For wild-card lookups, use priority -1, not 0 Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 38/56] Input: atmel_mxt_ts - only use first T9 instance Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 39/56] partitions/aix: append null character to print data from disk Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 40/56] partitions/aix: fix usage of uninitialized lv_info and lvname structures Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 41/56] iommu/ipmmu-vmsa: Fix allocation in atomic context Greg Kroah-Hartman
2018-09-17 22:42 ` Greg Kroah-Hartman [this message]
2018-09-17 22:42 ` [PATCH 4.4 43/56] f2fs: fix to do sanity check with {sit,nat}_ver_bitmap_bytesize Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 44/56] MIPS: WARN_ON invalid DMA cache maintenance, not BUG_ON Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 45/56] RDMA/cma: Do not ignore net namespace for unbound cm_id Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 46/56] xhci: Fix use-after-free in xhci_free_virt_device Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 47/56] vmw_balloon: include asm/io.h Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 48/56] netfilter: x_tables: avoid stack-out-of-bounds read in xt_copy_counters_from_user Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 49/56] drivers: net: cpsw: fix parsing of phy-handle DT property in dual_emac config Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 50/56] net: ethernet: ti: cpsw: fix mdio device reference leak Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 51/56] ethernet: ti: davinci_emac: add missing of_node_put after calling of_parse_phandle Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 52/56] crypto: vmx - Fix sleep-in-atomic bugs Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 53/56] mtd: ubi: wl: Fix error return code in ubi_wl_init() Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 54/56] autofs: fix autofs_sbi() does not check super block type Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 55/56] x86/speculation/l1tf: Increase l1tf memory limit for Nehalem+ Greg Kroah-Hartman
2018-09-17 22:42 ` [PATCH 4.4 56/56] mm: get rid of vmacache_flush_all() entirely Greg Kroah-Hartman
2018-09-17 23:58 ` [PATCH 4.4 00/56] 4.4.157-stable review Nathan Chancellor
2018-09-18 16:19 ` Guenter Roeck
2018-09-18 16:56 ` Naresh Kamboju
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