diff options
Diffstat (limited to 'extras')
| -rw-r--r-- | extras/ata_id/ata_id.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/extras/ata_id/ata_id.c b/extras/ata_id/ata_id.c index 66b9f42332..cbd3b5b8d2 100644 --- a/extras/ata_id/ata_id.c +++ b/extras/ata_id/ata_id.c @@ -38,6 +38,7 @@ #include <linux/types.h> #include <linux/hdreg.h> #include <linux/fs.h> +#include <linux/cdrom.h> #include <arpa/inet.h> #include "libudev.h" @@ -210,6 +211,16 @@ static int disk_identify (struct udev *udev, goto fail; } + /* + * do not confuse optical drive firmware with ATA commands + * some drives are reported to blank CD-RWs + */ + if (ioctl(fd, CDROM_GET_CAPABILITY, NULL) >= 0) { + errno = EIO; + ret = -1; + goto fail; + } + /* So, it's a block device. Let's make sure the ioctls work */ if ((ret = ioctl(fd, BLKGETSIZE64, &size)) < 0) goto fail; |