[dpdk-dev] [PATCH] dma/idxd: fix truncated error code in status check

[Walsh, Conor]

> From: dev <dev-bounces at dpdk.org> On Behalf Of Kevin Laatz
> Sent: Tuesday 26 October 2021 15:21
> To: dev at dpdk.org
> Cc: Richardson, Bruce <bruce.richardson at intel.com>; Laatz, Kevin
> <kevin.laatz at intel.com>
> Subject: [dpdk-dev] [PATCH] dma/idxd: fix truncated error code in status
> check
> 
> When checking if the DMA device is active, the result of the operand will
> always be zero since the err_code is truncated to 8 bits which makes
> checking the 31st bit impossible.
> 
> This is fixed by changing the type of err_code to uint32_t so that it is
> not truncated.
> 
> Coverity issue: 373657
> Fixes: 9449330a8458 ("dma/idxd: create dmadev instances on PCI probe")
> 
> Signed-off-by: Kevin Laatz <kevin.laatz at intel.com>
> ---

Reviewed-by: Conor Walsh <conor.walsh at intel.com>