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linux-next/drivers/thermal/qcom
Srinivas Kandagatla 6b8249abb0 drivers: thermal: qcom: tsens: Fix memory leak from qfprom read
memory returned as part of nvmem_read via qfprom_read should be
freed by the consumer once done.
Existing code is not doing it so fix it.

Below memory leak detected by kmemleak
   [<ffffff80088b7658>] kmemleak_alloc+0x50/0x84
    [<ffffff80081df120>] __kmalloc+0xe8/0x168
    [<ffffff80086db350>] nvmem_cell_read+0x30/0x80
    [<ffffff8008632790>] qfprom_read+0x4c/0x7c
    [<ffffff80086335a4>] calibrate_v1+0x34/0x204
    [<ffffff8008632518>] tsens_probe+0x164/0x258
    [<ffffff80084e0a1c>] platform_drv_probe+0x80/0xa0
    [<ffffff80084de4f4>] really_probe+0x208/0x248
    [<ffffff80084de2c4>] driver_probe_device+0x98/0xc0
    [<ffffff80084dec54>] __device_attach_driver+0x9c/0xac
    [<ffffff80084dca74>] bus_for_each_drv+0x60/0x8c
    [<ffffff80084de634>] __device_attach+0x8c/0x100
    [<ffffff80084de6c8>] device_initial_probe+0x20/0x28
    [<ffffff80084dcbb8>] bus_probe_device+0x34/0x7c
    [<ffffff80084deb08>] deferred_probe_work_func+0x6c/0x98
    [<ffffff80080c3da8>] process_one_work+0x160/0x2f8

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2019-08-28 21:05:08 +08:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
qcom-spmi-temp-alarm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
tsens-8960.c drivers: thermal: qcom: tsens: Fix memory leak from qfprom read 2019-08-28 21:05:08 +08:00
tsens-common.c Revert "drivers: thermal: tsens: Add new operation to check if a sensor is enabled" 2019-05-28 19:30:33 -07:00
tsens-v0_1.c drivers: thermal: qcom: tsens: Fix memory leak from qfprom read 2019-08-28 21:05:08 +08:00
tsens-v1.c drivers: thermal: qcom: tsens: Fix memory leak from qfprom read 2019-08-28 21:05:08 +08:00
tsens-v2.c Revert "drivers: thermal: tsens: Add new operation to check if a sensor is enabled" 2019-05-28 19:30:33 -07:00
tsens.c Revert "drivers: thermal: tsens: Add new operation to check if a sensor is enabled" 2019-05-28 19:30:33 -07:00
tsens.h drivers: thermal: qcom: tsens: Fix memory leak from qfprom read 2019-08-28 21:05:08 +08:00