Messages in this thread Patch in this message | | | From | Juergen Gross <> | Subject | [PATCH] x86/xen: silence smatch warning in pmu_msr_chk_emulated() | Date | Thu, 20 Oct 2022 13:37:59 +0200 |
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Commit 8714f7bcd3c2 ("xen/pv: add fault recovery control to pmu msr accesses") introduced code resulting in a warning issued by the smatch static checker, claiming to use an uninitialized variable.
This is a false positive, but work around the warning nevertheless.
Fixes: 8714f7bcd3c2 ("xen/pv: add fault recovery control to pmu msr accesses") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com> --- arch/x86/xen/pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c index 68aff1382872..898a252ed6f1 100644 --- a/arch/x86/xen/pmu.c +++ b/arch/x86/xen/pmu.c @@ -302,7 +302,7 @@ static bool xen_amd_pmu_emulate(unsigned int msr, u64 *val, bool is_read) static bool pmu_msr_chk_emulated(unsigned int msr, uint64_t *val, bool is_read, bool *emul) { - int type, index; + int type = 0, index = 0; if (is_amd_pmu_msr(msr)) *emul = xen_amd_pmu_emulate(msr, val, is_read); -- 2.35.3
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