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target/cortex_a: check gdb_service before dereferencing in update_halt_gdb 98/2098/2
authorPaul Fertser <fercerpav@gmail.com>
Mon, 7 Apr 2014 08:33:53 +0000 (12:33 +0400)
committerPaul Fertser <fercerpav@gmail.com>
Mon, 14 Apr 2014 18:12:30 +0000 (18:12 +0000)
If gdb was disconnected by the moment the target entered halted state,
update_halt_gdb would segfault.

Change-Id: I67477e9199c1df097be83a49e38602f975c083f5
Reported-by: Younes REGAIEG <younes.regaieg@imag.fr>
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2098
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
src/target/cortex_a.c patch | blob | history

diff --git a/src/target/cortex_a.c b/src/target/cortex_a.c
index e95297cbe1c3e71ee8aab2ea79a4a907030ccb5d..50eb9d48aa8d2801202bd48ed3ba36d794540d2d 100644 (file)
--- a/src/target/cortex_a.c
+++ b/src/target/cortex_a.c
@@ -766,7 +766,7 @@ static int cortex_a8_halt_smp(struct target *target)
 static int update_halt_gdb(struct target *target)
 {
        int retval = 0;
-       if (target->gdb_service->core[0] == -1) {
+       if (target->gdb_service && target->gdb_service->core[0] == -1) {
                target->gdb_service->target = target;
                target->gdb_service->core[0] = target->coreid;
                retval += cortex_a8_halt_smp(target);
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