diff options
Diffstat (limited to 'libflash')
| -rw-r--r-- | libflash/file.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libflash/file.c b/libflash/file.c index 7065eb4..49f6177 100644 --- a/libflash/file.c +++ b/libflash/file.c @@ -72,11 +72,12 @@ static int file_read(struct blocklevel_device *bl, uint64_t pos, void *buf, uint return FLASH_ERR_PARM_ERROR; while (count < len) { - rc = read(file_data->fd, buf, len); + rc = read(file_data->fd, buf, len - count); /* errno should remain set */ if (rc == -1 || rc == 0) return FLASH_ERR_BAD_READ; + buf += rc; count += rc; } @@ -95,11 +96,12 @@ static int file_write(struct blocklevel_device *bl, uint64_t dst, const void *sr return FLASH_ERR_PARM_ERROR; while (count < len) { - rc = write(file_data->fd, src, len); + rc = write(file_data->fd, src, len - count); /* errno should remain set */ if (rc == -1) return FLASH_ERR_VERIFY_FAILURE; + src += rc; count += rc; } |