[oe] [meta-oe][warrior][PATCH] gpsd: Backport a memory leak fix

[Adrian Bunk]

Signed-off-by: Adrian Bunk <bunk at stusta.de>
Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 .../0001-gps_shm_close-Free-privdata.patch    | 37 +++++++++++++++++++
 meta-oe/recipes-navigation/gpsd/gpsd_3.17.bb  |  1 +
 2 files changed, 38 insertions(+)
 create mode 100644 meta-oe/recipes-navigation/gpsd/gpsd-3.17/0001-gps_shm_close-Free-privdata.patch

diff --git a/meta-oe/recipes-navigation/gpsd/gpsd-3.17/0001-gps_shm_close-Free-privdata.patch b/meta-oe/recipes-navigation/gpsd/gpsd-3.17/0001-gps_shm_close-Free-privdata.patch
new file mode 100644
index 000000000..9b3801580
--- /dev/null
+++ b/meta-oe/recipes-navigation/gpsd/gpsd-3.17/0001-gps_shm_close-Free-privdata.patch
@@ -0,0 +1,37 @@
+From 2a4b3bcde0d73a3a4a6644d5f944ac9d16023ba9 Mon Sep 17 00:00:00 2001
+From: Adrian Bunk <bunk at 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 at stusta.de>
+Signed-off-by: Gary E. Miller <gem at 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
+
diff --git a/meta-oe/recipes-navigation/gpsd/gpsd_3.17.bb b/meta-oe/recipes-navigation/gpsd/gpsd_3.17.bb
index 488fa3a52..f4e018055 100644
--- a/meta-oe/recipes-navigation/gpsd/gpsd_3.17.bb
+++ b/meta-oe/recipes-navigation/gpsd/gpsd_3.17.bb
@@ -12,6 +12,7 @@ SRC_URI = "${SAVANNAH_GNU_MIRROR}/${BPN}/${BP}.tar.gz \
     file://0004-SConstruct-disable-html-and-man-docs-building-becaus.patch \
     file://0001-include-sys-ttydefaults.h.patch \
     file://0001-Add-bounds-check-in-in_escape-state-of-JSON-parser.patch \
+    file://0001-gps_shm_close-Free-privdata.patch \
 "
 SRC_URI[md5sum] = "e0cfadcf4a65dfbdd2afb11c58f4e4a1"
 SRC_URI[sha256sum] = "68e0dbecfb5831997f8b3d6ba48aed812eb465d8c0089420ab68f9ce4d85e77a"
-- 
2.17.1