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| author | Chris Kuethe <chris.kuethe@gmail.com> | 2007-10-16 01:09:04 +0000 |
|---|---|---|
| committer | Chris Kuethe <chris.kuethe@gmail.com> | 2007-10-16 01:09:04 +0000 |
| commit | e55da3179e13eb361a8cd98af475bdbf5a6608bb (patch) | |
| tree | 7dc2c801784e37dfb2b8469168d6911bb0f4fd90 /libgpsd_core.c | |
| parent | 1e60d1fca0e0269083d439b6e5c9275dd21d118f (diff) | |
| download | gpsd-e55da3179e13eb361a8cd98af475bdbf5a6608bb.tar.gz | |
avoid a core dump if, somehow, the session goes NULL
Diffstat (limited to 'libgpsd_core.c')
| -rw-r--r-- | libgpsd_core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libgpsd_core.c b/libgpsd_core.c index 694090e1..9e21d2d9 100644 --- a/libgpsd_core.c +++ b/libgpsd_core.c @@ -529,7 +529,12 @@ void gpsd_error_model(struct gps_device_t *session, */ #define UERE_NO_DGPS 8.0 /* meters, 95% confidence */ #define UERE_WITH_DGPS 2.0 /* meters, 95% confidence */ - double uere = (session->gpsdata.status == STATUS_DGPS_FIX ? UERE_WITH_DGPS : UERE_NO_DGPS); + double uere; + + if (NULL == session) + return; + + uere = (session->gpsdata.status == STATUS_DGPS_FIX ? UERE_WITH_DGPS : UERE_NO_DGPS); /* * Field reports match the theoretical prediction that |