Commit de48aad2 authored by Chuck Lever's avatar Chuck Lever Committed by Anna Schumaker
Browse files

rpcrdma: Device kref is over-incremented on error from xa_alloc 



If the device's reference count is too high, the device completion
callback never fires.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 47ac09b9

net/sunrpc/xprtrdma/ib_client.c

+1 −1
Original line number Diff line number Diff line
@@ -62,9 +62,9 @@ int rpcrdma_rn_register(struct ib_device *device, 
	if (!rd || test_bit(RPCRDMA_RD_F_REMOVING, &rd->rd_flags))

		return -ENETUNREACH;



	kref_get(&rd->rd_kref);

	if (xa_alloc(&rd->rd_xa, &rn->rn_index, rn, xa_limit_32b, GFP_KERNEL) < 0)

		return -ENOMEM;

	kref_get(&rd->rd_kref);

	rn->rn_done = done;

	return 0;

}