Messages in this thread Patch in this message | | | From | alexander.antonov@linux ... | Subject | [PATCH] perf/x86/intel/uncore: Fix uninitialized variable in skx_upi_topology_cb() | Date | Fri, 4 Aug 2023 10:03:54 -0700 |
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From: Alexander Antonov <alexander.antonov@linux.intel.com>
Fix a potential return of an uninitialized 'ret' variable in skx_upi_topology_cb() function.
Fixes: c1c1942b49ea ("perf/x86/intel/uncore: Enable UPI topology discovery for Skylake Server") Reported-by: Colin King <colin.i.king@gmail.com> Closes: https://lore.kernel.org/lkml/21e2ea66-9524-8e34-a2f0-8e16b9617d68@gmail.com/ Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com> --- arch/x86/events/intel/uncore_snbep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index d49e90dc04a4..d857fc00511b 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -4330,7 +4330,7 @@ static int upi_fill_topology(struct pci_dev *dev, struct intel_uncore_topology * static int skx_upi_topology_cb(struct intel_uncore_type *type, int segment, int die, u64 cpu_bus_msr) { - int idx, ret; + int idx, ret = -ENODEV; struct intel_uncore_topology *upi; unsigned int devfn; struct pci_dev *dev = NULL; base-commit: c1a515d3c0270628df8ae5f5118ba859b85464a2 -- 2.25.1
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