diff options
| author | Kishon Vijay Abraham I <kishon@ti.com> | 2019-10-22 14:06:23 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-05 15:36:49 +0100 |
| commit | 533cdfe9cc126a9e19b54a8958684cd1baa29500 (patch) | |
| tree | 039bb22b28f60c0e646d45212f69955329202f9e /drivers/reset | |
| parent | 7434723ba87267dc9547b09fb9ac584a98103b76 (diff) | |
reset: Fix memory leak in reset_control_array_put()
[ Upstream commit 532f9cd6ee994ed10403e856ca27501428048597 ]
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: 17c82e206d2a ("reset: Add APIs to manage array of resets")
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/reset')
| -rw-r--r-- | drivers/reset/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/reset/core.c b/drivers/reset/core.c index 72b96b5c75a8..7e0a14211c88 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -513,6 +513,7 @@ static void reset_control_array_put(struct reset_control_array *resets) for (i = 0; i < resets->num_rstcs; i++) __reset_control_put_internal(resets->rstc[i]); mutex_unlock(&reset_list_mutex); + kfree(resets); } /** |