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ppdc-source: fix potential null dereference #1673

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ppdc-source: fix potential null dereference #1673

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6 changes: 3 additions & 3 deletions ppdc/ppdc-source.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -3483,8 +3483,8 @@ ppdcSource::write_file(const char *f) // I - File to write
for (d = (ppdcDriver *)drivers->first(); d; d = (ppdcDriver *)drivers->next())
{
// Start the driver...
cupsFilePrintf(fp, "\n// %s %s\n", d->manufacturer->value,
d->model_name->value);
cupsFilePrintf(fp, "\n// %s %s\n", d->manufacturer ? d->manufacturer->value : "None",
d->model_name ? d->model_name->value : "None");
cupsFilePuts(fp, "{\n");

// Write the copyright strings...
Expand All @@ -3496,7 +3496,7 @@ ppdcSource::write_file(const char *f) // I - File to write
// Write other strings and values...
if (d->manufacturer && d->manufacturer->value)
quotef(fp, " Manufacturer \"%s\"\n", d->manufacturer->value);
if (d->model_name->value)
if (d->model_name && d->model_name->value)
quotef(fp, " ModelName \"%s\"\n", d->model_name->value);
if (d->file_name && d->file_name->value)
quotef(fp, " FileName \"%s\"\n", d->file_name->value);
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