[PATCH 1/2] PCI, AER: Add a TLP header print helper

[Borislav Petkov]

From: Borislav Petkov <b...@suse.de>

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

No functionality change.

Signed-off-by: Borislav Petkov <b...@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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