• Kishon Vijay Abraham I's avatar
    reset: Fix memory leak in reset_control_array_put() · 9a5933aa
    Kishon Vijay Abraham I authored
    [ Upstream commit 532f9cd6 ]
    
    Memory allocated for 'struct reset_control_array' in
    of_reset_control_array_get() is never freed in
    reset_control_array_put() resulting in kmemleak showing
    the following backtrace.
    
      backtrace:
        [<00000000c5f17595>] __kmalloc+0x1b0/0x2b0
        [<00000000bd499e13>] of_reset_control_array_get+0xa4/0x180
        [<000000004cc02754>] 0xffff800008c669e4
        [<0000000050a83b24>] platform_drv_probe+0x50/0xa0
        [<00000000d3a0b0bc>] really_probe+0x108/0x348
        [<000000005aa458ac>] driver_probe_device+0x58/0x100
        [<000000008853626c>] device_driver_attach+0x6c/0x90
        [<0000000085308d19>] __driver_attach+0x84/0xc8
        [<00000000080d35f2>] bus_for_each_dev+0x74/0xc8
        [<00000000dd7f015b>] driver_attach+0x20/0x28
        [<00000000923ba6e6>] bus_add_driver+0x148/0x1f0
        [<0000000061473b66>] driver_register+0x60/0x110
        [<00000000c5bec167>] __platform_driver_register+0x40/0x48
        [<000000007c764b4f>] 0xffff800008c6c020
        [<0000000047ec2e8c>] do_one_initcall+0x5c/0x1b0
        [<0000000093d4b50d>] do_init_module+0x54/0x1d0
    
    Fixes: 17c82e20 ("reset: Add APIs to manage array of resets")
    Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
    Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
    Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
    9a5933aa
core.c 19.5 KB