gpsd: Backport a memory leak fix

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-oe/recipes-navigation/gpsd/gpsd/0001-gps_shm_close-Free-privdata.patch

@@ -0,0 +1,37 @@
+From 2a4b3bcde0d73a3a4a6644d5f944ac9d16023ba9 Mon Sep 17 00:00:00 2001
+From: Adrian Bunk <bunk@stusta.de>
+Date: Mon, 21 Oct 2019 13:53:25 +0300
+Subject: gps_shm_close: Free privdata
+
+Previously every open/close cycle leaked privdata.
+
+Signed-off-by: Adrian Bunk <bunk@stusta.de>
+Signed-off-by: Gary E. Miller <gem@rellim.com>
+
+Upstream-Status: Backport
+---
+ libgps_shm.c | 8 ++++++--
+ 1 file changed, 6 insertions(+), 2 deletions(-)
+
+diff --git a/libgps_shm.c b/libgps_shm.c
+index d93972bba..12bb3760b 100644
+--- a/libgps_shm.c
++++ b/libgps_shm.c
+@@ -163,8 +163,12 @@ int gps_shm_read(struct gps_data_t *gpsdata)
+ 
+ void gps_shm_close(struct gps_data_t *gpsdata)
+ {
+-    if (PRIVATE(gpsdata) && PRIVATE(gpsdata)->shmseg != NULL)
+-	(void)shmdt((const void *)PRIVATE(gpsdata)->shmseg);
++    if (PRIVATE(gpsdata)) {
++        if (PRIVATE(gpsdata)->shmseg != NULL)
++	    (void)shmdt((const void *)PRIVATE(gpsdata)->shmseg);
++        free(PRIVATE(gpsdata));
++        gpsdata->privdata = NULL;
++    }
+ }
+ 
+ int gps_shm_mainloop(struct gps_data_t *gpsdata, int timeout,
+-- 
+2.20.1
+

meta-oe/recipes-navigation/gpsd/gpsd_3.19.bb

@@ -9,6 +9,7 @@ EXTRANATIVEPATH += "chrpath-native"
 
 SRC_URI = "${SAVANNAH_GNU_MIRROR}/${BPN}/${BP}.tar.gz \
     file://0001-SConstruct-prefix-includepy-with-sysroot-and-drop-sy.patch \
+    file://0001-gps_shm_close-Free-privdata.patch \
 "
 SRC_URI[md5sum] = "b3bf88706794eb8e5f2c2543bf7ba87b"
 SRC_URI[sha256sum] = "27dd24d45b2ac69baab7933da2bf6ae5fb0be90130f67e753c110a3477155f39"