Re: [PATCH 3/3] iser-target: Fix error path in isert_create_pi_ctx()

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On Fri, 2015-05-29 at 23:12 -0700, Roland Dreier wrote:
> From: Roland Dreier <roland@xxxxxxxxxxxxxxx>
> 
> We don't assign pi_ctx to desc->pi_ctx until we're certain to succeed
> in the function.  That means the cleanup path should use the local
> pi_ctx variable, not desc->pi_ctx.
> 
> This was detected by Coverity (CID 1260062).
> 
> Signed-off-by: Roland Dreier <roland@xxxxxxxxxxxxxxx>
> ---
>  drivers/infiniband/ulp/isert/ib_isert.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
> index 327529ee85eb..3f40319a55da 100644
> --- a/drivers/infiniband/ulp/isert/ib_isert.c
> +++ b/drivers/infiniband/ulp/isert/ib_isert.c
> @@ -547,11 +547,11 @@ isert_create_pi_ctx(struct fast_reg_descriptor *desc,
>  	return 0;
>  
>  err_prot_mr:
> -	ib_dereg_mr(desc->pi_ctx->prot_mr);
> +	ib_dereg_mr(pi_ctx->prot_mr);
>  err_prot_frpl:
> -	ib_free_fast_reg_page_list(desc->pi_ctx->prot_frpl);
> +	ib_free_fast_reg_page_list(pi_ctx->prot_frpl);
>  err_pi_ctx:
> -	kfree(desc->pi_ctx);
> +	kfree(pi_ctx);
>  
>  	return ret;
>  }

Applied to target-pending/master.

Thanks Roland!

--nab


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