diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 11 |
1 files changed, 4 insertions, 7 deletions
@@ -1035,7 +1035,8 @@ void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top) * swapping bs_new and bs_top contents. */ tmp.backing_hd = bs_new; pstrcpy(tmp.backing_file, sizeof(tmp.backing_file), bs_top->filename); - bdrv_get_format(bs_top, tmp.backing_format, sizeof(tmp.backing_format)); + pstrcpy(tmp.backing_format, sizeof(tmp.backing_format), + bs_top->drv ? bs_top->drv->format_name : ""); /* swap contents of the fixed new bs and the current top */ *bs_new = *bs_top; @@ -2428,13 +2429,9 @@ int bdrv_set_key(BlockDriverState *bs, const char *key) return ret; } -void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size) +const char *bdrv_get_format_name(BlockDriverState *bs) { - if (!bs->drv) { - buf[0] = '\0'; - } else { - pstrcpy(buf, buf_size, bs->drv->format_name); - } + return bs->drv ? bs->drv->format_name : NULL; } void bdrv_iterate_format(void (*it)(void *opaque, const char *name), |