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由 Dan Carpenter 提交于
mainline inclusion from mainline-v5.11-rc1 commit d3d73d25 category: feature bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I596K9 CVE: NA Intel-SIG: commit d3d73d25 platform/x86: pmt: Fix a potential Oops on error in probe. Backport for intel PMT (Platform Monitoring Technology) support -------------------------------- The "ns->attr_grp" pointer can be NULL so this error handling code needs to check for that to avoid an Oops. Fixes: e2729113 ("platform/x86: Intel PMT class driver") Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Reviewed-by: NDavid E. Box <david.e.box@linux.intel.com> Link: https://lore.kernel.org/r/20201117072251.GC1111239@mwandaSigned-off-by: NHans de Goede <hdegoede@redhat.com> Signed-off-by: Nyingbao jia <yingbao.jia@intel.com> Signed-off-by: NJun Tian <jun.j.tian@intel.com>
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