On Thu, Sep 12, 2019 at 07:40:29PM -0700, Bjorn Andersson wrote: > The adreno driver expects the "id" field of the returned clk_bulk_data > to be filled in with strings from the clock-names property. > > But due to the use of kmalloc_array() in of_clk_bulk_get_all() it > receives a list of bogus pointers instead. > > Zero-initialize the "id" field and attempt to populate with strings from > the clock-names property to resolve both these issues. This looks great to me. Thanks for fixing that so quickly. Reviewed-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx> > Fixes: 616e45df7c4a ("clk: add new APIs to operate on all available clocks") > Fixes: 8e3e791d20d2 ("drm/msm: Use generic bulk clock function") > Cc: Dong Aisheng <aisheng.dong@xxxxxxx> > Cc: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx> > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > --- > drivers/clk/clk-bulk.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/clk/clk-bulk.c b/drivers/clk/clk-bulk.c > index 524bf9a53098..e9e16425c739 100644 > --- a/drivers/clk/clk-bulk.c > +++ b/drivers/clk/clk-bulk.c > @@ -18,10 +18,13 @@ static int __must_check of_clk_bulk_get(struct device_node *np, int num_clks, > int ret; > int i; > > - for (i = 0; i < num_clks; i++) > + for (i = 0; i < num_clks; i++) { > + clks[i].id = NULL; > clks[i].clk = NULL; > + } > > for (i = 0; i < num_clks; i++) { > + of_property_read_string_index(np, "clock-names", i, &clks[i].id); > clks[i].clk = of_clk_get(np, i); > if (IS_ERR(clks[i].clk)) { > ret = PTR_ERR(clks[i].clk); > -- > 2.18.0 > -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project