diff options
-rw-r--r-- | block/raw-posix.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index a2c7508856..eea7e56e59 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -1055,9 +1055,26 @@ static int floppy_open(BlockDriverState *bs, const char *filename, int flags) static int floppy_probe_device(const char *filename) { + int fd, ret; + int prio = 0; + struct floppy_struct fdparam; + if (strstart(filename, "/dev/fd", NULL)) - return 100; - return 0; + prio = 50; + + fd = open(filename, O_RDONLY | O_NONBLOCK); + if (fd < 0) { + goto out; + } + + /* Attempt to detect via a floppy specific ioctl */ + ret = ioctl(fd, FDGETPRM, &fdparam); + if (ret >= 0) + prio = 100; + + close(fd); +out: + return prio; } |