lkml.org 
[lkml]   [2018]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mfd: ti_am335x_tscadc: Fix struct clk memory leak
On Wed, 04 Jul 2018, Zumeng Chen wrote:

> 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>
> ---
> drivers/mfd/ti_am335x_tscadc.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)

Applied, thanks.

--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

\
 
 \ /
  Last update: 2018-07-04 09:59    [W:0.266 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site