From: Paolo 'Blaisorblade' Giarrusso With 256 minors and 16 minors used per each UBD device, we can allow the use of up to 16 UBD devices per UML. Also chnage parse_unit and leave to the caller (which already do it) the check for excess numbers, since this is just supposed to do raw parsing. Signed-off-by: Paolo 'Blaisorblade' Giarrusso Cc: Jeff Dike Signed-off-by: Andrew Morton --- arch/um/drivers/ubd_kern.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -puN arch/um/drivers/ubd_kern.c~uml-ubd-driver-allow-using-up-to-16-ubd-devices arch/um/drivers/ubd_kern.c --- a/arch/um/drivers/ubd_kern.c~uml-ubd-driver-allow-using-up-to-16-ubd-devices +++ a/arch/um/drivers/ubd_kern.c @@ -117,7 +117,7 @@ static int ubd_ioctl(struct inode * inod unsigned int cmd, unsigned long arg); static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo); -#define MAX_DEV (8) +#define MAX_DEV (16) static struct block_device_operations ubd_blops = { .owner = THIS_MODULE, @@ -277,7 +277,7 @@ static int parse_unit(char **ptr) return(-1); *ptr = end; } - else if (('a' <= *str) && (*str <= 'h')) { + else if (('a' <= *str) && (*str <= 'z')) { n = *str - 'a'; str++; *ptr = str; _