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Commit fc458dcd authored by Ed L. Cashin's avatar Ed L. Cashin Committed by Greg KH
Browse files

[PATCH] aoe 1/12: remove too-low cap on minor number 



remove too-low cap on minor number

Signed-off-by: default avatarEd L. Cashin <ecashin@coraid.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c0698f2f

drivers/block/aoe/aoe.h

+5 −0
Original line number Diff line number Diff line
@@ -2,9 +2,14 @@ 
#define VERSION "5"

#define AOE_MAJOR 152

#define DEVICE_NAME "aoe"



/* set AOE_PARTITIONS to 1 to use whole-disks only

 * default is 16, which is 15 partitions plus the whole disk

 */

#ifndef AOE_PARTITIONS

#define AOE_PARTITIONS 16

#endif



#define SYSMINOR(aoemajor, aoeminor) ((aoemajor) * 10 + (aoeminor))

#define AOEMAJOR(sysminor) ((sysminor) / 10)

#define AOEMINOR(sysminor) ((sysminor) % 10)

drivers/block/aoe/aoecmd.c

+5 −4
Original line number Diff line number Diff line
@@ -577,7 +577,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb) 
	struct aoe_cfghdr *ch;

	ulong flags, bufcnt, sysminor, aoemajor;

	struct sk_buff *sl;

	enum { MAXFRAMES = 8, MAXSYSMINOR = 255 };

	enum { MAXFRAMES = 8 };



	h = (struct aoe_hdr *) skb->mac.raw;

	ch = (struct aoe_cfghdr *) (h+1);
@@ -594,9 +594,10 @@ aoecmd_cfg_rsp(struct sk_buff *skb) 
	}



	sysminor = SYSMINOR(aoemajor, h->minor);

	if (sysminor > MAXSYSMINOR) {

		printk(KERN_INFO "aoe: aoecmd_cfg_rsp: sysminor %ld too "

			"large\n", sysminor);

	if (sysminor * AOE_PARTITIONS + AOE_PARTITIONS > MINORMASK) {

		printk(KERN_INFO

			"aoe: e%ld.%d: minor number too large\n", 

			aoemajor, (int) h->minor);

		return;

	}