[dpdk-dev] [PATCH v2] net/vmxnet3: fix dereference before null check

Ferruh Yigit ferruh.yigit at intel.com
Mon Oct 2 23:39:29 CEST 2017


On 9/29/2017 2:04 PM, Michal Jastrzebski wrote:
> Coverity reports check_after_deref:
> Null-checking rq suggests that it may be null, but it
> has already been dereferenced on all paths leading to
> the check.
> This patch removes NULL checking of "rq" from function
> vmxnet3_dev_rx_queue_reset as it is already checked against NULL
> one level up the callstack (function vmxnet3_dev_clear_queues).
> 
> Coverity issue: 143468
> Fixes: 5aecdc17a97d ("vmxnet3: fix stop/restart")
> Cc: yongwang at vmware.com
> Cc: stable at dpdk.org
> 
> Signed-off-by: Tomasz Kulasek <tomaszx.kulasek at intel.com>
> Signed-off-by: Michal Jastrzebski <michalx.k.jastrzebski at intel.com>

Reviewed-by: Ferruh Yigit <ferruh.yigit at intel.com>


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