diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/block.c b/block.c index 2c00dddd80..bc85f46eed 100644 --- a/block.c +++ b/block.c @@ -1037,7 +1037,7 @@ static int find_image_format(BlockBackend *file, const char *filename, return ret; } - ret = blk_pread(file, 0, buf, sizeof(buf)); + ret = blk_pread(file, 0, sizeof(buf), buf, 0); if (ret < 0) { error_setg_errno(errp, -ret, "Could not read image for determining its " "format"); @@ -1045,14 +1045,16 @@ static int find_image_format(BlockBackend *file, const char *filename, return ret; } - drv = bdrv_probe_all(buf, ret, filename); + drv = bdrv_probe_all(buf, sizeof(buf), filename); if (!drv) { error_setg(errp, "Could not determine image format: No compatible " "driver found"); - ret = -ENOENT; + *pdrv = NULL; + return -ENOENT; } + *pdrv = drv; - return ret; + return 0; } /** |