iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
1b7cd0044e
linux/net/sunrpc
History
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: 412a15c0fe ("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 replace strict_strto calls 2014-07-12 18:45:49 -04:00
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 SUNRPC: Address kbuild warning in net/sunrpc/debugfs.c 2015-06-11 14:01:06 -04:00
Kconfig rpcrdma: Merge svcrdma and xprtrdma modules into one 2015-06-04 16:56:02 -04:00
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 SUNRPC: track whether a request is coming from a loop-back interface. 2014-05-22 15:59:18 -04:00
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