[PATCH] clk: mediatek: net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Wed Dec 1 19:00:09 PST 2021


Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba at kernel.org>:

On Tue, 30 Nov 2021 19:08:48 +0800 you wrote:
> In qlcnic_83xx_add_rings(), the indirect function of
> ahw->hw_ops->alloc_mbx_args will be called to allocate memory for
> cmd.req.arg, and there is a dereference of it in qlcnic_83xx_add_rings(),
> which could lead to a NULL pointer dereference on failure of the
> indirect function like qlcnic_83xx_alloc_mbx_args().
> 
> Fix this bug by adding a check of alloc_mbx_args(), this patch
> imitates the logic of mbx_cmd()'s failure handling.
> 
> [...]

Here is the summary with links:
  - clk: mediatek: net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
    https://git.kernel.org/netdev/net/c/e2dabc4f7e7b

You are awesome, thank you!
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