| Message ID | 20240716214819.work.328-kees@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | interconnect: icc-clk: Add missed num_nodes initialization | expand |
On 16/07/24 15:48, Kees Cook wrote: > With the new __counted_by annotation, the "num_nodes" struct member must > be set before accessing the "nodes" array. This initialization was done > in other places where a new struct icc_onecell_data is allocated, but this > case in icc_clk_register() was missed. Set "num_nodes" after allocation. > > Fixes: dd4904f3b924 ("interconnect: qcom: Annotate struct icc_onecell_data with __counted_by") > Signed-off-by: Kees Cook <kees@kernel.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Thanks
diff --git a/drivers/interconnect/icc-clk.c b/drivers/interconnect/icc-clk.c index f788db15cd76..b956e4050f38 100644 --- a/drivers/interconnect/icc-clk.c +++ b/drivers/interconnect/icc-clk.c @@ -87,6 +87,7 @@ struct icc_provider *icc_clk_register(struct device *dev, onecell = devm_kzalloc(dev, struct_size(onecell, nodes, 2 * num_clocks), GFP_KERNEL); if (!onecell) return ERR_PTR(-ENOMEM); + onecell->num_nodes = 2 * num_clocks; qp = devm_kzalloc(dev, struct_size(qp, clocks, num_clocks), GFP_KERNEL); if (!qp) @@ -133,8 +134,6 @@ struct icc_provider *icc_clk_register(struct device *dev, onecell->nodes[j++] = node; } - onecell->num_nodes = j; - ret = icc_provider_register(provider); if (ret) goto err;
With the new __counted_by annotation, the "num_nodes" struct member must be set before accessing the "nodes" array. This initialization was done in other places where a new struct icc_onecell_data is allocated, but this case in icc_clk_register() was missed. Set "num_nodes" after allocation. Fixes: dd4904f3b924 ("interconnect: qcom: Annotate struct icc_onecell_data with __counted_by") Signed-off-by: Kees Cook <kees@kernel.org> --- Cc: Georgi Djakov <djakov@kernel.org> Cc: linux-pm@vger.kernel.org --- drivers/interconnect/icc-clk.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)