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authorXiongfeng Wang <wangxiongfeng2@huawei.com>2022-11-18 14:31:36 +0800
committerPeter Zijlstra <peterz@infradead.org>2022-11-24 11:09:25 +0100
commit8ebd16c11c346751b3944d708e6c181ed4746c39 (patch)
tree740e163a68c907ea7cf91b7b4ac9ec7ab89031d3 /drivers/perf
parent1ff9dd6e7071a561f803135c1d684b13c7a7d01d (diff)
perf/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map()
pci_get_device() will increase the reference count for the returned pci_dev, so snr_uncore_get_mc_dev() will return a pci_dev with its reference count increased. We need to call pci_dev_put() to decrease the reference count. Let's add the missing pci_dev_put(). Fixes: ee49532b38dd ("perf/x86/intel/uncore: Add IMC uncore support for Snow Ridge") Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Link: https://lore.kernel.org/r/20221118063137.121512-4-wangxiongfeng2@huawei.com
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