lkml.org 
[lkml]   [2023]   [Aug]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] perf/x86/intel/uncore: Fix uninitialized variable in skx_upi_topology_cb()
Date
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

\
 
 \ /
  Last update: 2023-08-04 19:05    [W:0.021 / U:3.848 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site