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IB/rdmavt: Correct qp_priv_alloc() return value test

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The current drivers return errors from this calldown
wrapped in an ERR_PTR().

The rdmavt code incorrectly tests for NULL.

The code is fixed to use IS_ERR() and change ret according
to the driver return value.

Cc: Stable <stable@vger.kernel.org> # 4.6+
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mike Marciniszyn
2016-06-22 13:29:33 -07:00
committed by Doug Ledford
parent 8ae84f7c56
commit c755f4afa6
2 changed files with 6 additions and 2 deletions
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4
include/rdma/rdma_vt.h
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@@ -203,7 +203,9 @@ struct rvt_driver_provided {
/*
* Allocate a private queue pair data structure for driver specific
* information which is opaque to rdmavt.
* information which is opaque to rdmavt. Errors are returned via
* ERR_PTR(err). The driver is free to return NULL or a valid
* pointer.
*/
void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp,
gfp_t gfp);