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block/raw-win32: Employ error parameter

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Make use of the error parameter in the opening and creating functions in
block/raw-win32.c.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2013-10-10 15:44:02 +02:00 committed by Kevin Wolf
parent 92f1deec31
commit c6252b7cea
1 changed files with 11 additions and 5 deletions
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16
block/raw-win32.c
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@ -251,8 +251,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
opts = qemu_opts_create_nofail(&raw_runtime_opts);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (error_is_set(&local_err)) {
qerror_report_err(local_err);
error_free(local_err);
error_propagate(errp, local_err);
ret = -EINVAL;
goto fail;
}
@ -264,6 +263,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
if ((flags & BDRV_O_NATIVE_AIO) && aio == NULL) {
aio = win32_aio_init();
if (aio == NULL) {
error_setg(errp, "Could not initialize AIO");
ret = -EINVAL;
goto fail;
}
@ -280,6 +280,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
} else {
ret = -EINVAL;
}
error_setg_errno(errp, -ret, "Could not open file");
goto fail;
}
@ -287,6 +288,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
ret = win32_aio_attach(aio, s->hfile);
if (ret < 0) {
CloseHandle(s->hfile);
error_setg_errno(errp, -ret, "Could not enable AIO");
goto fail;
}
s->aio = aio;
@ -438,8 +440,10 @@ static int raw_create(const char *filename, QEMUOptionParameter *options,
fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
0644);
if (fd < 0)
if (fd < 0) {
error_setg_errno(errp, errno, "Could not create file");
return -EIO;
}
set_sparse(fd);
ftruncate(fd, total_size * 512);
qemu_close(fd);
@ -550,8 +554,7 @@ static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
QemuOpts *opts = qemu_opts_create_nofail(&raw_runtime_opts);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (error_is_set(&local_err)) {
qerror_report_err(local_err);
error_free(local_err);
error_propagate(errp, local_err);
ret = -EINVAL;
goto done;
}
@ -560,6 +563,7 @@ static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
if (strstart(filename, "/dev/cdrom", NULL)) {
if (find_cdrom(device_name, sizeof(device_name)) < 0) {
error_setg(errp, "Could not open CD-ROM drive");
ret = -ENOENT;
goto done;
}
@ -586,8 +590,10 @@ static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
int err = GetLastError();
if (err == ERROR_ACCESS_DENIED) {
error_setg_errno(errp, EACCES, "Could not open device");
ret = -EACCES;
} else {
error_setg(errp, "Could not open device");
ret = -1;
}
goto done;