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-rw-r--r--filter.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/filter.c b/filter.c
index 3702585..7983737 100644
--- a/filter.c
+++ b/filter.c
@@ -351,6 +351,8 @@ int cgit_open_filter(struct cgit_filter *filter, ...)
{
int result;
va_list ap;
+ if (!filter)
+ return 0;
va_start(ap, filter);
result = filter->open(filter, ap);
va_end(ap);
@@ -359,6 +361,8 @@ int cgit_open_filter(struct cgit_filter *filter, ...)
int cgit_close_filter(struct cgit_filter *filter)
{
+ if (!filter)
+ return 0;
return filter->close(filter);
}