提交 98c2b2f4 编写于 作者: J Juan Quintela 提交者: Anthony Liguori

qcow: return errno instead of -1

Signed-off-by: NJuan Quintela <quintela@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
上级 bef57da5
......@@ -766,7 +766,7 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
if (fd < 0)
return -1;
return -errno;
memset(&header, 0, sizeof(header));
header.magic = cpu_to_be32(QCOW_MAGIC);
header.version = cpu_to_be32(QCOW_VERSION);
......@@ -804,14 +804,14 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
/* write all the data */
ret = qemu_write_full(fd, &header, sizeof(header));
if (ret != sizeof(header)) {
ret = -1;
ret = -errno;
goto exit;
}
if (backing_file) {
ret = qemu_write_full(fd, backing_file, backing_filename_len);
if (ret != backing_filename_len) {
ret = -1;
ret = -errno;
goto exit;
}
......@@ -821,7 +821,7 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
for(i = 0;i < l1_size; i++) {
ret = qemu_write_full(fd, &tmp, sizeof(tmp));
if (ret != sizeof(tmp)) {
ret = -1;
ret = -errno;
goto exit;
}
}
......
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