[PATCH v1 1/1] s390/kvm: initialize uninitialized flags variable

Claudio Imbrenda
2024-10-30T16:19:13Z

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

For some reason neither gcc nor clang reported a warning.

Fixes: ce2b276ebe51 ("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>
---
arch/s390/kvm/kvm-s390.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index a5750c14bb4d..8b3afda99397 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;
--
2.47.0