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block/qcow.c: fix warnings with _FORTIFY_SOURCE

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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>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Kirill A. Shutemov 2010-01-20 00:56:12 +01:00 committed by Anthony Liguori
parent 31f38120a9
commit 3e1a8134be
1 changed files with 22 additions and 4 deletions
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26
block/qcow.c
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@ -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 +802,34 @@ 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 = -1;
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 = -1;
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 = -1;
goto exit;
}
}
ret = 0;
exit:
close(fd);
return 0;
return ret;
}
static int qcow_make_empty(BlockDriverState *bs)