Registration of USB download gadget might fail for various reasons, so
add a check for g_dnl_register() funtion return value. Without this fix,
thor_init() will try to access the registered gadget structures resulting
in NULL pointer dereference issue.
Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
---
cmd/thordown.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/cmd/thordown.c b/cmd/thordown.c
index 19ae6721d19..2e1b2c5bea6 100644
--- a/cmd/thordown.c
+++ b/cmd/thordown.c
@@ -37,7 +37,11 @@ int do_thor_down(cmd_tbl_t *cmdtp, int flag, int argc, char
* const argv[])
goto exit;
}
- g_dnl_register("usb_dnl_thor");
+ ret = g_dnl_register("usb_dnl_thor");
+ if (ret) {
+ error("g_dnl_register failed %d\n", ret);
+ return ret;
+ }
ret = thor_init();
if (ret) {
--
2.17.1
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