X-Git-Url: https://git.danieliu.xyz/?p=smdp.git;a=blobdiff_plain;f=src%2Fmarkdown.c;h=8471724a6df223ad66e07dac87058b3fd8efc0af;hp=05c77be8dab8a7d90dfa70294d87fdda5a7581de;hb=f6eba201ce1ec4118d501ff7afa547324143c9b9;hpb=8a77ead5006867bb2572d80072645178fc74dbe4

diff --git a/src/markdown.c b/src/markdown.c
index 05c77be..8471724 100644
--- a/src/markdown.c
+++ b/src/markdown.c
@@ -81,6 +81,8 @@ void free_deck(deck_t *deck) {
     while (slide) {
         free_line(slide->line);
         next = slide->next;
+        if (slide == NULL)
+            return;
         free(slide);
         slide = next;
     }