[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[gpsd-dev] [PATCH] Improved resilience in gps_shm_close() in case it is
From: |
Robert Norris |
Subject: |
[gpsd-dev] [PATCH] Improved resilience in gps_shm_close() in case it is called after an unsuccessful gps_shm_open() |
Date: |
Sat, 30 Jul 2016 18:08:45 +0000 |
Check that the structure exists before trying to use a component of it.
---
libgps_shm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libgps_shm.c b/libgps_shm.c
index a0dfdde..872a089 100644
--- a/libgps_shm.c
+++ b/libgps_shm.c
@@ -154,6 +154,8 @@ int gps_shm_read(struct gps_data_t *gpsdata)
void gps_shm_close(struct gps_data_t *gpsdata)
{
+ if (PRIVATE(gpsdata) == NULL)
+ return;
if (PRIVATE(gpsdata)->shmseg != NULL)
(void)shmdt((const void *)PRIVATE(gpsdata)->shmseg);
}
--
2.8.1
- [gpsd-dev] [PATCH] Improved resilience in gps_shm_close() in case it is called after an unsuccessful gps_shm_open(),
Robert Norris <=