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path: root/net/6lowpan/6lowpan_i.h
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#ifndef __6LOWPAN_I_H
#define __6LOWPAN_I_H

#include <linux/netdevice.h>

#include <net/6lowpan.h>

/* caller need to be sure it's dev->type is ARPHRD_6LOWPAN */
static inline bool lowpan_is_ll(const struct net_device *dev,
				enum lowpan_lltypes lltype)
{
	return lowpan_dev(dev)->lltype == lltype;
}

extern const struct ndisc_ops lowpan_ndisc_ops;

int addrconf_ifid_802154_6lowpan(u8 *eui, struct net_device *dev);

#ifdef CONFIG_6LOWPAN_DEBUGFS
int lowpan_dev_debugfs_init(struct net_device *dev);
void lowpan_dev_debugfs_exit(struct net_device *dev);

int __init lowpan_debugfs_init(void);
void lowpan_debugfs_exit(void);
#else
static inline int lowpan_dev_debugfs_init(struct net_device *dev)
{
	return 0;
}

static inline void lowpan_dev_debugfs_exit(struct net_device *dev) { }

static inline int __init lowpan_debugfs_init(void)
{
	return 0;
}

static inline void lowpan_debugfs_exit(void) { }
#endif /* CONFIG_6LOWPAN_DEBUGFS */

#endif /* __6LOWPAN_I_H */
297ac487f246963dd2f&id2=546125d1614264d26080817d0c8cddb9b25081fa'>diff)
svcrdma: avoid duplicate dma unmapping during error recovery
In rdma_read_chunk_frmr() when ib_post_send() fails, the error code path invokes ib_dma_unmap_sg() to unmap the sg list. It then invokes svc_rdma_put_frmr() which in turn tries to unmap the same sg list through ib_dma_unmap_sg() again. This second unmap is invalid and could lead to problems when the iova being unmapped is subsequently reused. Remove the call to unmap in rdma_read_chunk_frmr() and let svc_rdma_put_frmr() handle it. Fixes: 412a15c0fe53 ("svcrdma: Port to new memory registration API") Cc: stable@vger.kernel.org Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net/6lowpan/nhc_udp.c')