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authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>2010-04-15 13:14:17 +0900
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-05-11 12:01:15 -0700
commit4a0c096efd4383fc98aa40e195363f600ba814f8 (patch)
tree61f7f4aa18e7905b227f2de3622dd43403fc0551 /drivers/pci
parentbd17d4742d5a8cbedd41a1d44c0cdee84a532363 (diff)
PCI: aerdrv: rework add_error_device
Stop iteration if we cannot register any more. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pcie/aer/aerdrv_core.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index f8ffa47503b..f5eb69f532e 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -99,18 +99,21 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
}
EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);
+/**
+ * add_error_device - list device to be handled
+ * @e_info: pointer to error info
+ * @dev: pointer to pci_dev to be added
+ */
static int add_error_device(struct aer_err_info *e_info, struct pci_dev *dev)
{
if (e_info->error_dev_num < AER_MAX_MULTI_ERR_DEVICES) {
e_info->dev[e_info->error_dev_num] = dev;
e_info->error_dev_num++;
- return 1;
+ return 0;
}
-
- return 0;
+ return -ENOSPC;
}
-
#define PCI_BUS(x) (((x) >> 8) & 0xff)
/**
@@ -183,7 +186,12 @@ static int find_device_iter(struct pci_dev *dev, void *data)
struct aer_err_info *e_info = (struct aer_err_info *)data;
if (is_error_source(dev, e_info)) {
- add_error_device(e_info, dev);
+ /* List this device */
+ if (add_error_device(e_info, dev)) {
+ /* We cannot handle more... Stop iteration */
+ /* TODO: Should print error message here? */
+ return 1;
+ }
/* If there is only a single error, stop iteration */
if (!e_info->multi_error_valid)