[PATCH 7/7] i40iw: Fix potential fcn_id_array out of bounds
DORMANTno replies
From: Henry Orosco <hidden>
Date: 2017-08-07 21:32:03
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Christopher N Bednarz <redacted> Avoid out of bounds error by utilizing I40IW_MAX_STATS_COUNT instead of I40IW_INVALID_FCN_ID. Signed-off-by: Christopher N Bednarz <redacted> Signed-off-by: Henry Orosco <redacted> --- drivers/infiniband/hw/i40iw/i40iw_ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
index b55620d..9e342db 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c@@ -4894,7 +4894,7 @@ void i40iw_vsi_stats_free(struct i40iw_sc_vsi *vsi) { u8 fcn_id = vsi->fcn_id; - if ((vsi->stats_fcn_id_alloc) && (fcn_id != I40IW_INVALID_FCN_ID)) + if (vsi->stats_fcn_id_alloc && fcn_id < I40IW_MAX_STATS_COUNT) vsi->dev->fcn_id_array[fcn_id] = false; i40iw_hw_stats_stop_timer(vsi); }
--
2.8.3
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