pidgin: ecbb67fb: Nullify the freed pointer so it's not ac...

[sadrul at pidgin.im]

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Revision: ecbb67fb8ee3a827f7d9732a5236fed62fd75daa
Ancestor: 68015dbcfc3b6e827d4a8a4eebc1632d932f2c63
Author: sadrul at pidgin.im
Date: 2009-10-08T18:03:05
Branch: im.pidgin.pidgin
URL: http://d.pidgin.im/viewmtn/revision/info/ecbb67fb8ee3a827f7d9732a5236fed62fd75daa

Modified files:
        finch/libgnt/gnttextview.c

ChangeLog: 

Nullify the freed pointer so it's not accessed later.

-------------- next part --------------
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--- finch/libgnt/gnttextview.c	5a4bdab60e978137fe1d2822ba4574e0f4fe9a48
+++ finch/libgnt/gnttextview.c	f89e1690097873356a26699a17dc12496dbc69b0
@@ -767,6 +767,7 @@ int gnt_text_view_tag_change(GntTextView
 							line->segments = g_list_delete_link(line->segments, segs);
 							if (line->segments == NULL) {
 								free_text_line(line, NULL);
+								line = NULL;
 								if (view->list == iter) {
 									if (inext)
 										view->list = inext;
@@ -780,7 +781,8 @@ int gnt_text_view_tag_change(GntTextView
 							seg->start = tag->start;
 							seg->end = tag->end - change;
 						}
-						line->length -= change;
+						if (line)
+							line->length -= change;
 						/* XXX: Make things work if the tagged text spans over several lines. */
 					} else {
 						/* XXX: handle the rest of the conditions */