diff options
Diffstat (limited to 'tools/env/fw_env.c')
| -rw-r--r-- | tools/env/fw_env.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index e0f46bc..ed6b53f 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -1067,11 +1067,11 @@ static char *envmatch (char * s1, char * s2) int fw_env_open(void) { int crc0, crc0_ok; - char flag0; + unsigned char flag0; void *addr0; int crc1, crc1_ok; - char flag1; + unsigned char flag1; void *addr1; struct env_image_single *single; @@ -1185,14 +1185,13 @@ int fw_env_open(void) } break; case FLAG_INCREMENTAL: - if ((flag0 == 255 && flag1 == 0) || - flag1 > flag0) + if (flag0 == 255 && flag1 == 0) dev_current = 1; else if ((flag1 == 255 && flag0 == 0) || - flag0 > flag1) - dev_current = 0; - else /* flags are equal - almost impossible */ + flag0 >= flag1) dev_current = 0; + else /* flag1 > flag0 */ + dev_current = 1; break; default: fprintf (stderr, "Unknown flag scheme %u \n", |