From: Juergen Gross Date: Thu, 20 Oct 2022 11:21:43 +0000 (+0200) Subject: x86/xen: silence smatch warning in pmu_msr_chk_emulated() X-Git-Tag: v6.1-rc5~41^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=354d8a4b165697e6da9585b3f651d87735f30415;p=platform%2Fkernel%2Flinux-starfive.git x86/xen: silence smatch warning in pmu_msr_chk_emulated() 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 Signed-off-by: Juergen Gross --- diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c index 68aff13..246d67d 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, index = 0; if (is_amd_pmu_msr(msr)) *emul = xen_amd_pmu_emulate(msr, val, is_read);