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spapr/xive: Rework error handling of kvmppc_xive_cpu_[gs]et_state()

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kvm_set_one_reg() returns a negative errno on failure, use that instead
of errno. Also propagate it to callers so they can use it to check
for failures and hopefully get rid of their local_err boilerplate.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <159707846665.1489912.14267225652103441921.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz
2020-08-10 18:54:26 +02:00
committed by David Gibson
parent b14adb4a27
commit 5fa36b7ffb
2 changed files with 12 additions and 7 deletions
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4
include/hw/ppc/xive.h
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@@ -489,7 +489,7 @@ int kvmppc_xive_source_reset_one(XiveSource *xsrc, int srcno, Error **errp);
void kvmppc_xive_source_set_irq(void *opaque, int srcno, int val);
int kvmppc_xive_cpu_connect(XiveTCTX *tctx, Error **errp);
void kvmppc_xive_cpu_synchronize_state(XiveTCTX *tctx, Error **errp);
void kvmppc_xive_cpu_get_state(XiveTCTX *tctx, Error **errp);
void kvmppc_xive_cpu_set_state(XiveTCTX *tctx, Error **errp);
int kvmppc_xive_cpu_get_state(XiveTCTX *tctx, Error **errp);
int kvmppc_xive_cpu_set_state(XiveTCTX *tctx, Error **errp);
#endif /* PPC_XIVE_H */