Revision 5befb98b30cce19bdf2221ea48c39f1fec5c4568 authored by Linus Torvalds on 24 August 2013, 18:33:21 UTC, committed by Linus Torvalds on 24 August 2013, 18:33:21 UTC
Pull SCSI fixes from James Bottomley: "This is a set of small bug fixes for lpfc and zfcp and a fix for a fairly nasty bug in sg where a process which cancels I/O completes in a kernel thread which would then try to write back to the now gone userspace and end up writing to a random kernel address instead" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] zfcp: remove access control tables interface (keep sysfs files) [SCSI] zfcp: fix schedule-inside-lock in scsi_device list loops [SCSI] zfcp: fix lock imbalance by reworking request queue locking [SCSI] sg: Fix user memory corruption when SG_IO is interrupted by a signal [SCSI] lpfc: Don't force CONFIG_GENERIC_CSUM on
Queue.h
/*************************************
* Queue.h
**************************************/
#ifndef __QUEUE_H__
#define __QUEUE_H__
#define ENQUEUEPACKET(_Head, _Tail,_Packet) \
do \
{ \
if (!_Head) { \
_Head = _Packet; \
} \
else { \
(_Tail)->next = _Packet; \
} \
(_Packet)->next = NULL; \
_Tail = _Packet; \
}while(0)
#define DEQUEUEPACKET(Head, Tail ) \
do \
{ if(Head) \
{ \
if (!Head->next) { \
Tail = NULL; \
} \
Head = Head->next; \
} \
}while(0)
#endif //__QUEUE_H__
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