diff options
Diffstat (limited to 'common/filetype.c')
| -rw-r--r-- | common/filetype.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/common/filetype.c b/common/filetype.c index 429911533a..e4c8005b56 100644 --- a/common/filetype.c +++ b/common/filetype.c @@ -425,6 +425,11 @@ enum filetype cdev_detect_type(const char *name) if (!cdev) return type; + if (cdev->filetype != filetype_unknown) { + type = cdev->filetype; + goto cdev_close; + } + buf = xzalloc(FILE_TYPE_SAFE_BUFSIZE); ret = cdev_read(cdev, buf, FILE_TYPE_SAFE_BUFSIZE, 0, 0); if (ret < 0) @@ -434,6 +439,7 @@ enum filetype cdev_detect_type(const char *name) err_out: free(buf); +cdev_close: cdev_close(cdev); return type; } |