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Description: Make sure that all allocated buffers are freed regardless of driver
Author: Michael Sweet <msweet@apple.com>
Bug: https://www.cups.org/str.php?L4393
--- a/filter/rastertolabel.c
+++ b/filter/rastertolabel.c
@@ -639,13 +639,6 @@
puts("^IDR:CUPS.GRF^FS");
puts("^XZ");
-
- /*
- * Free compression buffers...
- */
-
- free(CompBuffer);
- free(LastBuffer);
break;
case ZEBRA_CPCL :
@@ -714,6 +707,18 @@
*/
free(Buffer);
+
+ if (CompBuffer)
+ {
+ free(CompBuffer);
+ CompBuffer = NULL;
+ }
+
+ if (LastBuffer)
+ {
+ free(LastBuffer);
+ LastBuffer = NULL;
+ }
}
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