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authorLv Zheng <lv.zheng@intel.com>2017-05-09 08:57:31 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-05-30 00:58:00 +0300
commit2ea65321b83539afc1d45c1bea39c55ab42af62b (patch)
treeffa857394e07901de0c5bef4077bdd0d298c2b16 /drivers/devfreq
parentbc5150ef3331167f08adc9fd5c1f947bd5fdd1ff (diff)
downloadlinux-2ea65321b83539afc1d45c1bea39c55ab42af62b.tar.xz
ACPICA: Tables: Fix regression introduced by a too early mechanism enabling
In the Linux kernel, acpi_get_table() "clones" haven't been fully balanced by acpi_put_table() invocations. In upstream ACPICA, due to the design change, there are also unbalanced acpi_get_table_by_index() invocations requiring special care. acpi_get_table() reference counting mismatches may occor due to that and printing error messages related to them is not useful at this point. The strict balanced validation count check should only be enabled after confirming that all invocations are safe and aligned with their designed purposes. Thus this patch removes the error value returned by acpi_tb_get_table() in that case along with the accompanying error message to fix the issue. Fixes: 174cc7187e6f (ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel) Cc: 4.10+ <stable@vger.kernel.org> # 4.10+ Reported-by: Anush Seetharaman <anush.seetharaman@intel.com> Reported-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> [ rjw: Changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/devfreq')
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