@@ -536,9 +536,7 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi)
dinfo->trans = translation;
dinfo->opts = opts;
dinfo->refcount = 1;
- if (serial) {
- pstrcpy(dinfo->serial, sizeof(dinfo->serial), serial);
- }
+ dinfo->serial = serial;
QTAILQ_INSERT_TAIL(&drives, dinfo, next);
bdrv_set_on_error(dinfo->bdrv, on_read_error, on_write_error);
@@ -17,8 +17,6 @@
void blockdev_mark_auto_del(BlockDriverState *bs);
void blockdev_auto_del(BlockDriverState *bs);
-#define BLOCK_SERIAL_STRLEN 20
-
typedef enum {
IF_DEFAULT = -1, /* for use with drive_add() only */
IF_NONE,
@@ -37,7 +35,7 @@ struct DriveInfo {
int media_cd;
int cyls, heads, secs, trans;
QemuOpts *opts;
- char serial[BLOCK_SERIAL_STRLEN + 1];
+ const char *serial;
QTAILQ_ENTRY(DriveInfo) next;
int refcount;
};
@@ -17,7 +17,7 @@ void blkconf_serial(BlockConf *conf, char **serial)
if (!*serial) {
/* try to fall back to value set with legacy -drive serial=... */
dinfo = drive_get_by_blockdev(conf->bs);
- if (*dinfo->serial) {
+ if (dinfo->serial) {
*serial = g_strdup(dinfo->serial);
}
}
@@ -2095,9 +2095,9 @@ void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
trans = hd_bios_chs_auto_trans(cyls, heads, secs);
}
if (ide_init_drive(&bus->ifs[i], dinfo->bdrv,
- dinfo->media_cd ? IDE_CD : IDE_HD, NULL,
- *dinfo->serial ? dinfo->serial : NULL,
- NULL, 0, cyls, heads, secs, trans) < 0) {
+ dinfo->media_cd ? IDE_CD : IDE_HD,
+ NULL, dinfo->serial, NULL, 0,
+ cyls, heads, secs, trans) < 0) {
error_report("Can't set up IDE drive %s", dinfo->id);
exit(1);
}
All current users (IDE, SCSI and virtio-blk) happen to share this 20 characters limit. Still, it should be left to device models. They already enforce their limits. They have to, as the DriveInfo limit only affects legacy -drive serial=..., not the qdev properties. usb-storage, which doesn't limit serial number length, also uses DriveInfo for -usbdevice. But that doesn't provide access to DriveInfo serial. Signed-off-by: Markus Armbruster <armbru@redhat.com> --- blockdev.c | 4 +--- blockdev.h | 4 +--- hw/block-common.c | 2 +- hw/ide/core.c | 6 +++--- 4 files changed, 6 insertions(+), 10 deletions(-)