From: Claudio Imbrenda <imbrenda@linux.ibm.com>
Date: Wed, 30 Oct 2024 16:19:06 +0000 (+0100)
Subject: s390/kvm: Initialize uninitialized flags variable
X-Git-Tag: v6.13-rc1~206^2~48
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=64844729a608d308089510fc3bb23abf602f4e47;p=thirdparty%2Fkernel%2Flinux.git

s390/kvm: Initialize uninitialized flags variable

The flags variable was being used uninitialized.
Initialize it to 0 as expected.

For some reason neither gcc nor clang reported a warning.

Fixes: 05066cafa925 ("s390/mm/fault: Handle guest-related program interrupts in KVM")
Reported-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20241030161906.85476-1-imbrenda@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
---

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 10947d0766036..5d113428b4cc0 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -4729,8 +4729,8 @@ static int vcpu_post_run_addressing_exception(struct kvm_vcpu *vcpu)
 
 static int vcpu_post_run_handle_fault(struct kvm_vcpu *vcpu)
 {
+	unsigned int flags = 0;
 	unsigned long gaddr;
-	unsigned int flags;
 	int rc = 0;
 
 	gaddr = current->thread.gmap_teid.addr * PAGE_SIZE;