[Skiboot] [PATCH] phb4: Use the return value of phb4_fenced() in phb4_get_diag_data()

Vaibhav Jain vaibhav at linux.ibm.com
Tue Aug 14 21:18:31 AEST 2018


Please ignore this patch email.

Vaibhav Jain <vaibhav at linux.ibm.com> writes:

> From: Cyril Bur <cyril.bur at au1.ibm.com>
>
> phb4_get_diag_data() checks the flags for the PHB4_AIB_FENCED after
> having called phb4_fenced(). This information is returned by
> phb4_fenced().
>
> This patch was prompted by an unused return value warning in Coverity.
>
> Fixes: CID 163734
> Signed-off-by: Cyril Bur <cyril.bur at au1.ibm.com>
> Signed-off-by: Stewart Smith <stewart at linux.ibm.com>
> ---
>  hw/phb4.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/hw/phb4.c b/hw/phb4.c
> index 4b1acd9e..5e07e2bc 100644
> --- a/hw/phb4.c
> +++ b/hw/phb4.c
> @@ -3755,6 +3755,7 @@ static int64_t phb4_get_diag_data(struct phb *phb,
>  				  void *diag_buffer,
>  				  uint64_t diag_buffer_len)
>  {
> +	bool fenced;
>  	struct phb4 *p = phb_to_phb4(phb);
>  	struct OpalIoPhb4ErrorData *data = diag_buffer;
>  
> @@ -3767,10 +3768,10 @@ static int64_t phb4_get_diag_data(struct phb *phb,
>  	 * Dummy check for fence so that phb4_read_phb_status knows
>  	 * whether to use ASB or AIB
>  	 */
> -	phb4_fenced(p);
> +	fenced = phb4_fenced(p);
>  	phb4_read_phb_status(p, data);
>  
> -	if (!(p->flags & PHB4_AIB_FENCED))
> +	if (!fenced)
>  		phb4_eeh_dump_regs(p);
>  
>  	/*
> -- 
> 2.17.1
>

-- 
Vaibhav Jain <vaibhav at linux.vnet.ibm.com>
Linux Technology Center, IBM India Pvt. Ltd.



More information about the Skiboot mailing list