Uemis downloader: bug fix in uemis set dive location

Assuring that ds isn't NULL, had a few cases
that made SubSurface crash. Have not investigated
the root cause but it's likely that it is related to
the Uemis specific code. Nevertheless, checking ds
non NULL is certainly not a bad thing to do.

Signed-off-by: glerch <guido.lerch@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/uemis.c b/uemis.c
index 1c592832a..352c9a028 100644
--- a/uemis.c
+++ b/uemis.c
@@ -173,9 +173,11 @@ void uemis_set_divelocation(int divespot, char *text, double longitude, double l
 	while (hp) {
 		if (hp->divespot == divespot) {
 			struct dive_site *ds = get_dive_site_by_uuid(hp->dive_site_uuid);
-			ds->name = strdup(text);
-			ds->longitude.udeg = round(longitude * 1000000);
-			ds->latitude.udeg = round(latitude * 1000000);
+			if (ds) {
+				ds->name = strdup(text);
+				ds->longitude.udeg = round(longitude * 1000000);
+				ds->latitude.udeg = round(latitude * 1000000);
+			}
 		}
 		hp = hp->next;
 	}