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Diffstat (limited to 'miscutils')
-rw-r--r--miscutils/rx.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/miscutils/rx.c b/miscutils/rx.c
index 972f7ff37..c48a61fd0 100644
--- a/miscutils/rx.c
+++ b/miscutils/rx.c
@@ -108,12 +108,10 @@ static int receive(/*int read_fd, */int file_fd)
}
}
/* Write previously received block */
- if (blockLength) {
- errno = 0;
- if (full_write(file_fd, blockBuf, blockLength) != blockLength) {
- bb_perror_msg("can't write to file");
- goto fatal;
- }
+ errno = 0;
+ if (full_write(file_fd, blockBuf, blockLength) != blockLength) {
+ bb_perror_msg(bb_msg_write_error);
+ goto fatal;
}
timeout = TIMEOUT;
@@ -155,17 +153,13 @@ static int receive(/*int read_fd, */int file_fd)
blockBuf[i] = cc;
}
+ cksum_or_crc = read_byte(TIMEOUT);
+ if (cksum_or_crc < 0)
+ goto timeout;
if (do_crc) {
- cksum_or_crc = read_byte(TIMEOUT);
- if (cksum_or_crc < 0)
- goto timeout;
cksum_or_crc = (cksum_or_crc << 8) | read_byte(TIMEOUT);
if (cksum_or_crc < 0)
goto timeout;
- } else {
- cksum_or_crc = read_byte(TIMEOUT);
- if (cksum_or_crc < 0)
- goto timeout;
}
if (blockNo == ((wantBlockNo - 1) & 0xff)) {