Signed-off-by: Anton Lundin <gla...@acc.umu.se>
---
 dive.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dive.c b/dive.c
index 683fbb8..4cb9672 100644
--- a/dive.c
+++ b/dive.c
@@ -2369,6 +2369,9 @@ int average_depth(struct diveplan *dive)
        int last_depth = 0;
        struct divedatapoint *dp = dive->dp;
 
+       if (!dp)
+               return 0;
+
        while (dp) {
                if (dp->time) {
                        /* Ignore gas indication samples */
-- 
1.9.1

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