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| author | Xiongfeng Wang <wangxiongfeng2@huawei.com> | 2022-11-18 09:31:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-14 12:15:18 +0300 |
| commit | 0afcb759f6f61192f79dbd6264cb077b088718c2 (patch) | |
| tree | 016fcf9eb5049898dbc09b9e308749d95732e0cf /drivers | |
| parent | d2afced51108813256d8072c6e464b0c9f0bb890 (diff) | |
| download | linux-0afcb759f6f61192f79dbd6264cb077b088718c2.tar.xz | |
perf/x86/intel/uncore: Fix reference count leak in __uncore_imc_init_box()
[ Upstream commit 17b8d847b92d815d1638f0de154654081d66b281 ]
pci_get_device() will increase the reference count for the returned
pci_dev, so tgl_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 before exiting from __uncore_imc_init_box(). Add
pci_dev_put() for both normal and error path.
Fixes: fdb64822443e ("perf/x86: Add Intel Tiger Lake uncore support")
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/20221118063137.121512-5-wangxiongfeng2@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions