Better checks for disk util init
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/diskutil.c b/diskutil.c
index a87435a..11d676f 100644
--- a/diskutil.c
+++ b/diskutil.c
@@ -209,15 +209,18 @@
int mindev, majdev;
char *p;
- if (!stat(f->file_name, &st)) {
+ if (!lstat(f->file_name, &st)) {
if (S_ISBLK(st.st_mode)) {
majdev = major(st.st_rdev);
mindev = minor(st.st_rdev);
} else if (S_ISCHR(st.st_mode)) {
majdev = major(st.st_rdev);
mindev = minor(st.st_rdev);
- fio_lookup_raw(st.st_rdev, &majdev, &mindev);
- } else {
+ if (fio_lookup_raw(st.st_rdev, &majdev, &mindev))
+ return;
+ } else if (S_ISFIFO(st.st_mode))
+ return;
+ else {
majdev = major(st.st_dev);
mindev = minor(st.st_dev);
}