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Subject[PATCH 01/11] uml ubd driver: allow using up to 16 UBD devices
Date
From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>

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 <blaisorblade@yahoo.it>
---

arch/um/drivers/ubd_kern.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 784c74c..984b5da 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/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;
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