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-rw-r--r--sfc.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/sfc.c b/sfc.c
index 46a617b..3ba3da8 100644
--- a/sfc.c
+++ b/sfc.c
@@ -3777,6 +3777,15 @@ print_simple_table(unsigned revision, const struct efx_nic_reg_table *table,
return buf;
}
+static int buf_is_zero(const u8 *buf, size_t size)
+{
+ size_t i;
+ for (i = 0; i < size; i++)
+ if (buf[i])
+ return 0;
+ return 1;
+}
+
static const void *
print_complex_table(unsigned revision, const struct efx_nic_reg_table *table,
const void *buf)
@@ -3808,16 +3817,18 @@ print_complex_table(unsigned revision, const struct efx_nic_reg_table *table,
fputc('\n', stdout);
for (j = 0; j < table->rows; j++) {
- printf("%4zu", j);
- for (i = 0; i < table->field_count; i++) {
- field = &table->fields[i];
- if (!(revision >= field->min_revision &&
- revision <= field->max_revision))
- continue;
- printf(" %*s", (int)column_padding(field), "");
- print_field_value(field, buf);
+ if (!buf_is_zero(buf, size)) {
+ printf("%4zu", j);
+ for (i = 0; i < table->field_count; i++) {
+ field = &table->fields[i];
+ if (!(revision >= field->min_revision &&
+ revision <= field->max_revision))
+ continue;
+ printf(" %*s", (int)column_padding(field), "");
+ print_field_value(field, buf);
+ }
+ fputc('\n', stdout);
}
- fputc('\n', stdout);
buf = (const u8 *)buf + size;
}