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pcie_aer: Convert pcie_aer_init to Error

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When user specify invalid value for property aer_log_max, device should
fail to create, and report appropriate message.

Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Cao jin 2016-12-21 16:21:30 +08:00 • committed by Michael S. Tsirkin
parent 02ed3e7c16
commit 33848ceed7
6 changed files with 16 additions and 16 deletions
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17
hw/pci/pcie_aer.c
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@ -29,6 +29,7 @@
#include "hw/pci/msi.h"
#include "hw/pci/pci_bus.h"
#include "hw/pci/pcie_regs.h"
#include "qapi/error.h"
//#define DEBUG_PCIE
#ifdef DEBUG_PCIE
@ -96,21 +97,17 @@ static void aer_log_clear_all_err(PCIEAERLog *aer_log)
aer_log->log_num = 0;
}
int pcie_aer_init(PCIDevice *dev, uint16_t offset, uint16_t size)
int pcie_aer_init(PCIDevice *dev, uint16_t offset, uint16_t size,
Error **errp)
{
PCIExpressDevice *exp;
pcie_add_capability(dev, PCI_EXT_CAP_ID_ERR, PCI_ERR_VER,
offset, size);
exp = &dev->exp;
exp->aer_cap = offset;
dev->exp.aer_cap = offset;
/* log_max is property */
if (dev->exp.aer_log.log_max == PCIE_AER_LOG_MAX_UNSET) {
dev->exp.aer_log.log_max = PCIE_AER_LOG_MAX_DEFAULT;
}
/* clip down the value to avoid unreasobale memory usage */
/* clip down the value to avoid unreasonable memory usage */
if (dev->exp.aer_log.log_max > PCIE_AER_LOG_MAX_LIMIT) {
error_setg(errp, "Invalid aer_log_max %d. The max number of aer log "
"is %d", dev->exp.aer_log.log_max, PCIE_AER_LOG_MAX_LIMIT);
return -EINVAL;
}
dev->exp.aer_log.log = g_malloc0(sizeof dev->exp.aer_log.log[0] *