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KVM: PPC: Book3S HV: Free the queue pages in error path

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If the xive_native_configure_queue() call fails, the qpage allocated is
not freed, which results in wasted memory. Fix this by freeing the qpage
in the error path.

Fixes: 5af5099385 ("KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller")
Reviewed-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Signed-off-by: Gautam Menghani <gautam@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260917072839.78857-1-gautam@linux.ibm.com
This commit is contained in:
Gautam Menghani 2026-09-17 12:58:38 +05:30 committed by Madhavan Srinivasan
parent bda1626184
commit daf5a5a82c
1 changed files with 3 additions and 1 deletions
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4
arch/powerpc/kvm/book3s_xive.c
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@ -961,9 +961,11 @@ static int xive_provision_queue(struct kvm_vcpu *vcpu, u8 prio)
*/
rc = xive_native_configure_queue(xc->vp_id, q, prio, qpage,
xive->q_order, true);
if (rc)
if (rc) {
pr_err("Failed to configure queue %d for VCPU %d\n",
prio, xc->server_num);
free_pages((unsigned long)qpage, xive->q_page_order);
}
return rc;
}