firmware-utils: fix -Wmaybe-uninitialized warnings

[openwrt/openwrt.git] / tools / firmware-utils / src / mkcsysimg.c

diff --git a/tools/firmware-utils/src/mkcsysimg.c b/tools/firmware-utils/src/mkcsysimg.c
index 7c0002c40473fa43ebc39ccfb0eaa20e7472cbb0..e156f79153ae6625c93ad6e227b3fc847ec19047 100644 (file)
--- a/tools/firmware-utils/src/mkcsysimg.c
+++ b/tools/firmware-utils/src/mkcsysimg.c
@@ -493,6 +493,9 @@ csum_get(struct csum_state *css)
        case CSUM_SIZE_16:
                ret = csum16_get(css);
                break;
+       default:
+               ERR("invalid checksum size\n");
+               return 0;
        }
 
        return ret;