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authorGravatar Dirk Hohndel <dirk@hohndel.org>2019-10-27 15:58:39 -0400
committerGravatar Dirk Hohndel <dirk@hohndel.org>2019-10-28 05:44:33 -0700
commit1951371bbb1210b04a4133624734461286e4e44a (patch)
tree254bd8987b0a602d396737b2b468e673b347e158 /core/divelist.c
parentb0a00cd15de4b255139fefde3da36c28bd0b31bc (diff)
downloadsubsurface-1951371bbb1210b04a4133624734461286e4e44a.tar.gz
Cleanup: prevent NULL dereference
This should never happen based on the logic in the callers, but just to be on the safe side. Should fix CID 350128 Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'core/divelist.c')
-rw-r--r--core/divelist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/divelist.c b/core/divelist.c
index c15ca8d3c..3c0570673 100644
--- a/core/divelist.c
+++ b/core/divelist.c
@@ -1471,7 +1471,7 @@ static int comp_dive_to_trip(struct dive *a, struct dive_trip *b)
{
/* This should never happen, nevertheless don't crash on trips
* with no (or worse a negative number of) dives. */
- if (b->dives.nr <= 0)
+ if (!b || b->dives.nr <= 0)
return -1;
return comp_dives(a, b->dives.dives[0]);
}