#ifndef CURVETUN_H #define CURVETUN_H #include #define FILE_CLIENTS ".curvetun/clients" #define FILE_SERVERS ".curvetun/servers" #define FILE_PRIVKEY ".curvetun/priv.key" #define FILE_PUBKEY ".curvetun/pub.key" #define FILE_USERNAM ".curvetun/username" #define LOCKFILE "/var/run/curvetun.pid" #define DEFAULT_KEY_LEN 64 #define PROTO_FLAG_EXIT (1 << 0) #define PROTO_FLAG_INIT (1 << 1) struct ct_proto { uint16_t payload; uint8_t flags; } __attribute__((packed)); /* FIXME: think up sth better */ #define TUNBUFF_SIZ (3 * RUNTIME_PAGE_SIZE) #define MAX_EPOLL_SIZE 10000 #define THREADS_PER_CPU 2 extern int server_main(char *home, char *dev, char *port, int udp, int ipv4, int log); extern int client_main(char *home, char *dev, char *host, char *port, int udp); #define DEVNAME_SERVER "curves0" #define DEVNAME_CLIENT "curvec0" #endif /* CURVETUN_H */ t'> net-next plumbingsTobias Klauser
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authorSriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>2017-01-09 16:00:44 +0530
committerJ. Bruce Fields <bfields@redhat.com>2017-01-12 16:14:47 -0500
commitce1ca7d2d140a1f4aaffd297ac487f246963dd2f (patch)
tree5aeab5e0cb6ef404c894a18251588278b9432a2c /security
parent546125d1614264d26080817d0c8cddb9b25081fa (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 'security')