diff options
| -rw-r--r-- | libfstools/common.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libfstools/common.c b/libfstools/common.c index f2d415d..c484776 100644 --- a/libfstools/common.c +++ b/libfstools/common.c @@ -90,8 +90,12 @@ static bool use_f2fs(struct volume *v, uint64_t offset, const char *bdev) int fd; fd = open(bdev, O_RDONLY); + if (fd < 0) + return false; + if (ioctl(fd, BLKGETSIZE64, &size) == 0) ret = size - offset > F2FS_MINSIZE; + close(fd); return ret; |