[u-boot, v2019.04-aspeed, v1 1/1] Common:fdt: Check for error return value

[Hongwei Zhang]

Check for negative return value of fdt_noffset from calling
boot_get_fdt_fit().

Signed-off-by: Hongwei Zhang <hongweiz at ami.com>
---
 common/image-fdt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/image-fdt.c b/common/image-fdt.c
index 01186aeac7..52ada56fc1 100644
--- a/common/image-fdt.c
+++ b/common/image-fdt.c
@@ -402,6 +402,9 @@ int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
 					&fit_uname_config,
 					arch, &load, &len);
 
+				if (fdt_noffset < 0)
+					goto error;
+
 				images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
 				images->fit_uname_fdt = fit_uname_fdt;
 				images->fit_noffset_fdt = fdt_noffset;
-- 
2.17.1