> @@ -349,6 +349,9 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, 
 > struct ib_udata *udata)
 >      int outst_cqe;
 >      int err;
 >  
 > +    if (dev->dev->caps.fw_ver < MLX4_FW_VER_RESIZE_CQ)
 > +            return -ENOSYS;

This is kind of dopey, isn't it?  Seems cleaner just to leave the
resize_cq method unset if the hardware doesn't support it; then the core
takes care of this check for us.

 - R.
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