Revision a8719670687c46ed2e904c0d05fa4cd7e4950cd1 authored by Peter Ujfalusi on 23 August 2016, 07:27:19 UTC, committed by Mark Brown on 23 August 2016, 11:00:47 UTC
Fixes: ddd17531ad908 ("ASoC: omap-mcpdm: Clean up with devm_* function") Managed irq request will not doing any good in ASoC probe level as it is not going to free up the irq when the driver is unbound from the sound card. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Reported-by: Russell King <linux@armlinux.org.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
1 parent 21eb45d
em_cmp.c
/*
* net/sched/em_cmp.c Simple packet data comparison ematch
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Thomas Graf <tgraf@suug.ch>
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/tc_ematch/tc_em_cmp.h>
#include <asm/unaligned.h>
#include <net/pkt_cls.h>
static inline int cmp_needs_transformation(struct tcf_em_cmp *cmp)
{
return unlikely(cmp->flags & TCF_EM_CMP_TRANS);
}
static int em_cmp_match(struct sk_buff *skb, struct tcf_ematch *em,
struct tcf_pkt_info *info)
{
struct tcf_em_cmp *cmp = (struct tcf_em_cmp *) em->data;
unsigned char *ptr = tcf_get_base_ptr(skb, cmp->layer) + cmp->off;
u32 val = 0;
if (!tcf_valid_offset(skb, ptr, cmp->align))
return 0;
switch (cmp->align) {
case TCF_EM_ALIGN_U8:
val = *ptr;
break;
case TCF_EM_ALIGN_U16:
val = get_unaligned_be16(ptr);
if (cmp_needs_transformation(cmp))
val = be16_to_cpu(val);
break;
case TCF_EM_ALIGN_U32:
/* Worth checking boundries? The branching seems
* to get worse. Visit again.
*/
val = get_unaligned_be32(ptr);
if (cmp_needs_transformation(cmp))
val = be32_to_cpu(val);
break;
default:
return 0;
}
if (cmp->mask)
val &= cmp->mask;
switch (cmp->opnd) {
case TCF_EM_OPND_EQ:
return val == cmp->val;
case TCF_EM_OPND_LT:
return val < cmp->val;
case TCF_EM_OPND_GT:
return val > cmp->val;
}
return 0;
}
static struct tcf_ematch_ops em_cmp_ops = {
.kind = TCF_EM_CMP,
.datalen = sizeof(struct tcf_em_cmp),
.match = em_cmp_match,
.owner = THIS_MODULE,
.link = LIST_HEAD_INIT(em_cmp_ops.link)
};
static int __init init_em_cmp(void)
{
return tcf_em_register(&em_cmp_ops);
}
static void __exit exit_em_cmp(void)
{
tcf_em_unregister(&em_cmp_ops);
}
MODULE_LICENSE("GPL");
module_init(init_em_cmp);
module_exit(exit_em_cmp);
MODULE_ALIAS_TCF_EMATCH(TCF_EM_CMP);
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