Junhao He 1a9e02673e coresight: Fix memory leak in acpi_buffer->pointer ... There are memory leaks reported by kmemleak: ... unreferenced object 0xffff00213c141000 (size 1024): comm "systemd-udevd", pid 2123, jiffies 4294909467 (age 6062.160s) hex dump (first 32 bytes): 04 00 00 00 02 00 00 00 18 10 14 3c 21 00 ff ff ...........<!... 00 00 00 00 00 00 00 00 03 00 00 00 10 00 00 00 ................ backtrace: [<000000004b7c9001>] __kmem_cache_alloc_node+0x2f8/0x348 [<00000000b0fc7ceb>] __kmalloc+0x58/0x108 [<0000000064ff4695>] acpi_os_allocate+0x2c/0x68 [<000000007d57d116>] acpi_ut_initialize_buffer+0x54/0xe0 [<0000000024583908>] acpi_evaluate_object+0x388/0x438 [<0000000017b2e72b>] acpi_evaluate_object_typed+0xe8/0x240 [<000000005df0eac2>] coresight_get_platform_data+0x1b4/0x988 [coresight] ... The ACPI buffer memory (buf.pointer) should be freed. But the buffer is also used after returning from acpi_get_dsd_graph(). Move the temporary variables buf to acpi_coresight_parse_graph(), and free it before the function return to prevent memory leak. Fixes: 76ffa5ab5b ("coresight: Support for ACPI bindings") Signed-off-by: Junhao He <hejunhao3@huawei.com> Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/20230817085937.55590-2-hejunhao3@huawei.com		2023-08-18 11:23:47 +01:00
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coresight	coresight: Fix memory leak in acpi_buffer->pointer	2023-08-18 11:23:47 +01:00
intel_th	Driver core changes for 6.3-rc1	2023-02-24 12:58:55 -08:00
ptt	hwtracing: hisi_ptt: Use pci_dev_id() to simplify the code	2023-08-15 00:45:56 +01:00
stm	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
Kconfig	hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device	2022-09-08 16:26:17 -06:00