[PATCH v3 6/6] scsi: ipr: Do PCI error checks on own line

Ilpo Järvinen
2023-09-11T12:54:57Z

Instead of if conditions with line splits, use the usual error handling
pattern with a separate variable to improve readability.

No functional changes intended.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/scsi/ipr.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 4e13797b2a4a..81e3d464d1f6 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -761,12 +761,14 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg,
static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
{
int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX);
+ int rc;

if (pcix_cmd_reg == 0)
return 0;

- if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
- &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) {
+ rc = pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
+ &ioa_cfg->saved_pcix_cmd_reg);
+ if (rc != PCIBIOS_SUCCESSFUL) {
dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n");
return -EIO;
}
@@ -785,10 +787,12 @@ static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
{
int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX);
+ int rc;

if (pcix_cmd_reg) {
- if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
- ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) {
+ rc = pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
+ ioa_cfg->saved_pcix_cmd_reg);
+ if (rc != PCIBIOS_SUCCESSFUL) {
dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n");
return -EIO;
}
--
2.30.2