diff options
Diffstat (limited to 'tools/env/fw_env.c')
| -rw-r--r-- | tools/env/fw_env.c | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index 0347e9d15a..90010dabd8 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -948,29 +948,25 @@ static int flash_read_buf(int dev, int fd, void *buf, size_t count, */ lseek(fd, blockstart + block_seek, SEEK_SET); - rc = read(fd, buf + processed, readlen); - if (rc == -1) { - fprintf(stderr, "Read error on %s: %s\n", - DEVNAME(dev), strerror(errno)); - return -1; - } + while (readlen) { + rc = read(fd, buf + processed, readlen); + if (rc == -1) { + fprintf(stderr, "Read error on %s: %s\n", + DEVNAME(dev), strerror(errno)); + return -1; + } #ifdef DEBUG - fprintf(stderr, "Read 0x%x bytes at 0x%llx on %s\n", - rc, (unsigned long long)blockstart + block_seek, - DEVNAME(dev)); + fprintf(stderr, "Read 0x%x bytes at 0x%llx on %s\n", + rc, (unsigned long long)blockstart + block_seek, + DEVNAME(dev)); #endif - processed += rc; - if (rc != readlen) { - fprintf(stderr, - "Warning on %s: Attempted to read %zd bytes but got %d\n", - DEVNAME(dev), readlen, rc); + processed += rc; readlen -= rc; - block_seek += rc; - } else { - blockstart += blocklen; - readlen = min(blocklen, count - processed); - block_seek = 0; } + + blockstart += blocklen; + readlen = min(blocklen, count - processed); + block_seek = 0; } return processed; |