@@ -750,6 +750,7 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
int64_t total_size = 0;
const char *backing_file = NULL;
int flags = 0;
+ int ret;
/* Read out options */
while (options && options->name) {
@@ -801,17 +802,33 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
}
/* write all the data */
- write(fd, &header, sizeof(header));
+ ret = qemu_write_full(fd, &header, sizeof(header));
+ if (ret != sizeof(header)) {
+ ret = -errno;
+ goto exit;
+ }
+
if (backing_file) {
- write(fd, backing_file, backing_filename_len);
+ ret = qemu_write_full(fd, backing_file, backing_filename_len);
+ if (ret != backing_filename_len) {
+ ret = -errno;
+ goto exit;
+ }
}
lseek(fd, header_size, SEEK_SET);
tmp = 0;
for(i = 0;i < l1_size; i++) {
- write(fd, &tmp, sizeof(tmp));
+ ret = qemu_write_full(fd, &tmp, sizeof(tmp));
+ if (ret != sizeof(tmp)) {
+ ret = -errno;
+ goto exit;
+ }
}
+
+ ret = 0;
+exit:
close(fd);
- return 0;
+ return ret;
}
static int qcow_make_empty(BlockDriverState *bs)
CC block/qcow.o cc1: warnings being treated as errors block/qcow.c: In function 'qcow_create': block/qcow.c:804: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow.c:806: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow.c:811: error: ignoring return value of 'write', declared with attribute warn_unused_result make: *** [block/qcow.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> --- block/qcow.c | 25 +++++++++++++++++++++---- 1 files changed, 21 insertions(+), 4 deletions(-)