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spapr/xive: Rework error handling of kvmppc_xive_cpu_connect()

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Use error_setg_errno() instead of error_setg(strerror()). While here,
use -ret instead of errno since kvm_vcpu_enable_cap() returns a negative
errno on failure.

Use ERRP_GUARD() to ensure that errp can be passed to error_append_hint(),
and get rid of the local_err boilerplate.

Propagate the return value so that callers may use it as well to check
failures.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <159707844549.1489912.4862921680328017645.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2020-08-10 18:54:05 +02:00 • committed by David Gibson
parent 4a6891b838
commit 3885ca6688
2 changed files with 11 additions and 12 deletions
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2
include/hw/ppc/xive.h
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@ -487,7 +487,7 @@ void xive_tctx_ipb_update(XiveTCTX *tctx, uint8_t ring, uint8_t ipb);
int kvmppc_xive_source_reset_one(XiveSource *xsrc, int srcno, Error **errp);
void kvmppc_xive_source_set_irq(void *opaque, int srcno, int val);
void kvmppc_xive_cpu_connect(XiveTCTX *tctx, Error **errp);
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);