Sriharsha Basavapatna ce1ca7d2d1 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>

2017-01-12 16:14:47 -05:00

..

auth_gss

svcrpc: don't leak contexts on PROC_DESTROY

2017-01-12 15:56:14 -05:00

xprtrdma

svcrdma: avoid duplicate dma unmapping during error recovery

2017-01-12 16:14:47 -05:00

addr.c

…

auth_generic.c

NFS client updates for Linux 4.9

2016-10-13 21:28:20 -07:00

auth_null.c

sunrpc: move NO_CRKEY_TIMEOUT to the auth->au_flags

2016-07-19 16:23:24 -04:00

auth_unix.c

NFS client updates for Linux 4.9

2016-10-13 21:28:20 -07:00

auth.c

sunrpc: replace generic auth_cred hash with auth-specific function

2016-09-30 15:47:47 -04:00

backchannel_rqst.c

SUNRPC: Refactor rpc_xdr_buf_init()

2016-09-19 13:08:37 -04:00

cache.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

clnt.c

sunrpc: Don't engage exponential backoff when connection attempt is rejected.

2016-12-01 17:40:41 -05:00

debugfs.c

…

Kconfig

…

Makefile

SUNRPC: Add a structure to track multiple transports

2016-02-05 18:48:54 -05:00

netns.h

netns: make struct pernet_operations::id unsigned int

2016-11-18 10:59:15 -05:00

rpc_pipe.c

fs: Replace CURRENT_TIME with current_time() for inode timestamps

2016-09-27 21:06:21 -04:00

rpcb_clnt.c

SUNRPC: Use the multipath iterator to assign a transport to each task

2016-02-05 18:48:55 -05:00

sched.c

SUNRPC: Separate buffer pointers for RPC Call and Reply messages

2016-09-19 13:08:37 -04:00

socklib.c

sunrpc: do not pull udp headers on receive

2016-04-11 15:31:33 -04:00

stats.c

SUNRPC: Proper metric accounting when RPC is not transmitted

2016-11-29 16:45:44 -05:00

sunrpc_syms.c

netns: make struct pernet_operations::id unsigned int

2016-11-18 10:59:15 -05:00

sunrpc.h

…

svc_xprt.c

sunrpc: don't call sleeping functions from the notifier block callbacks

2017-01-12 15:56:40 -05:00

svc.c

svcauth_gss: Close connection when dropping an incoming message

2016-11-30 17:31:11 -05:00

svcauth_unix.c

cred: simpler, 1D supplementary groups

2016-10-07 18:46:30 -07:00

svcauth.c

sunrpc: use DEFINE_SPINLOCK()

2016-12-06 14:18:30 -05:00

svcsock.c

ktime: Get rid of the union

2016-12-25 17:21:22 +01:00

sysctl.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

timer.c

…

xdr.c

SUNRPC: Fix setting of buffer length in xdr_set_next_buffer()

2016-09-22 17:17:47 -04:00

xprt.c

sunrpc: Don't engage exponential backoff when connection attempt is rejected.

2016-12-01 17:40:41 -05:00

xprtmultipath.c

SUNRPC search xprt switch for sockaddr

2016-09-19 13:08:36 -04:00

xprtsock.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2016-11-15 10:54:36 -05:00