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Subject[PATCH 1/2] PCI, AER: Add a TLP header print helper
Date
From: Borislav Petkov <bp@suse.de>

... and call it instead of duplicating the large printk format
statement.

No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
---
drivers/pci/pcie/aer/aerdrv_errprint.c | 44 ++++++++++++++++------------------
1 file changed, 21 insertions(+), 23 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c
index 2c7c9f5f592c..32efc5e0d2eb 100644
--- a/drivers/pci/pcie/aer/aerdrv_errprint.c
+++ b/drivers/pci/pcie/aer/aerdrv_errprint.c
@@ -124,6 +124,21 @@ static const char *aer_agent_string[] = {
"Transmitter ID"
};

+static void __print_tlp_header(struct pci_dev *dev,
+ struct aer_header_log_regs *t)
+{
+ unsigned char *tlp = (unsigned char *)&t;
+
+ dev_err(&dev->dev, " TLP Header:"
+ " %02x%02x%02x%02x %02x%02x%02x%02x"
+ " %02x%02x%02x%02x %02x%02x%02x%02x\n",
+ *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
+ *(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
+ *(tlp + 11), *(tlp + 10), *(tlp + 9),
+ *(tlp + 8), *(tlp + 15), *(tlp + 14),
+ *(tlp + 13), *(tlp + 12));
+}
+
static void __aer_print_error(struct pci_dev *dev,
struct aer_err_info *info)
{
@@ -178,17 +193,8 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)

__aer_print_error(dev, info);

- if (info->tlp_header_valid) {
- unsigned char *tlp = (unsigned char *) &info->tlp;
- dev_err(&dev->dev, " TLP Header:"
- " %02x%02x%02x%02x %02x%02x%02x%02x"
- " %02x%02x%02x%02x %02x%02x%02x%02x\n",
- *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
- *(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
- *(tlp + 11), *(tlp + 10), *(tlp + 9),
- *(tlp + 8), *(tlp + 15), *(tlp + 14),
- *(tlp + 13), *(tlp + 12));
- }
+ if (info->tlp_header_valid)
+ __print_tlp_header(dev, &info->tlp);
}

if (info->id && info->error_dev_num > 1 && info->id == id)
@@ -250,18 +256,10 @@ void cper_print_aer(struct pci_dev *dev, int cper_severity,
if (aer_severity != AER_CORRECTABLE)
dev_err(&dev->dev, "aer_uncor_severity: 0x%08x\n",
aer->uncor_severity);
- if (tlp_header_valid) {
- const unsigned char *tlp;
- tlp = (const unsigned char *)&aer->header_log;
- dev_err(&dev->dev, "aer_tlp_header:"
- " %02x%02x%02x%02x %02x%02x%02x%02x"
- " %02x%02x%02x%02x %02x%02x%02x%02x\n",
- *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
- *(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
- *(tlp + 11), *(tlp + 10), *(tlp + 9),
- *(tlp + 8), *(tlp + 15), *(tlp + 14),
- *(tlp + 13), *(tlp + 12));
- }
+
+ if (tlp_header_valid)
+ __print_tlp_header(dev, &aer->header_log);
+
trace_aer_event(dev_name(&dev->dev), (status & ~mask),
aer_severity);
}
--
1.8.4


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