Hi,
> -----Original Message-----
> From: Huang, Wei <wei.hu...@intel.com>
> Sent: Thursday, June 23, 2022 11:12
> To: dev@dpdk.org; tho...@monjalon.net; nipun.gu...@nxp.com;
> hemant.agra...@nxp.com
> Cc: sta...@dpdk.org; Xu, Rosen <rosen...@intel.com>; Zhang, Tianfei
> <tianfei.zh...@intel.com>; Zhang, Qi Z <qi.z.zh...@intel.com>; Huang, Wei
> <wei.hu...@intel.com>
> Subject: [PATCH] raw/ifpga/base: check pointer before dereference
>
> Do null-checking on hw->adapter in fme_pmci_init() before dereference it.
>
> Coverity issue: 379202
> Fixes: ca6eb0f7c836 ("raw/ifpga/base: add PMCI base driver")
>
> Signed-off-by: Wei Huang <wei.hu...@intel.com>
> ---
> drivers/raw/ifpga/base/ifpga_fme.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/raw/ifpga/base/ifpga_fme.c
> b/drivers/raw/ifpga/base/ifpga_fme.c
> index 25ff819..b6dd4ce 100644
> --- a/drivers/raw/ifpga/base/ifpga_fme.c
> +++ b/drivers/raw/ifpga/base/ifpga_fme.c
> @@ -1591,7 +1591,7 @@ static int fme_pmci_init(struct ifpga_feature
> *feature)
> int ret = 0;
>
> hw = fme->parent;
> - if (!hw)
> + if (!hw || !hw->adapter)
> return -ENODEV;
>
> mgr = hw->adapter->mgr;
> @@ -1608,7 +1608,7 @@ static int fme_pmci_init(struct ifpga_feature
> *feature)
>
> max10->type = M10_N6000;
> max10->mmio = feature->addr;
> - if (hw->adapter && hw->adapter->shm.ptr) {
> + if (hw->adapter->shm.ptr) {
> sd = (opae_share_data *)hw->adapter->shm.ptr;
> max10->bmc_ops.mutex = &sd->spi_mutex;
> } else {
> --
> 1.8.3.1
Acked-by: Rosen Xu <rosen...@intel.com>
