KVM: PPC: Book3S HV: XIVE: Fix potential page leak on error path

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We need to check the host page size is big enough to accomodate the
EQ. Let's do this before taking a reference on the EQ page to avoid
a potential leak if the check fails.

Cc: stable@vger.kernel.org # v5.2
Fixes: 13ce3297c5 ("KVM: PPC: Book3S HV: XIVE: Add controls for the EQ configuration")
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

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Greg Kurz 2019-11-13 17:46:19 +01:00 • committed by Paul Mackerras

parent 31a88c82b4

commit 30486e7209

1 changed files with 7 additions and 6 deletions

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arch/powerpc/kvm/book3s_xive_native.c

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