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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-10-19 14:49:39 +0300
committerStephen Boyd <sboyd@codeaurora.org>2016-10-19 23:14:18 +0300
commit7d36b9c102318aa86aceb074359305da88ce9ef9 (patch)
tree253f26b37d4c3866f9bfe643d1e391f2fd751376 /drivers/clk/uniphier
parentd3397484bb5b8534289a630c1a78500ff4f2fbf4 (diff)
downloadlinux-7d36b9c102318aa86aceb074359305da88ce9ef9.tar.xz
clk: uniphier: fix memory overrun bug
The first loop of this "for" statement writes memory beyond the allocated clk_hw_onecell_data. It should be: for (clk_num--; clk_num >= 0; clk_num--) ... Or more simply: while (--clk_num >= 0) ... Fixes: 734d82f4a678 ("clk: uniphier: add core support code for UniPhier clock driver") Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/uniphier')
-rw-r--r--drivers/clk/uniphier/clk-uniphier-core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier-core.c b/drivers/clk/uniphier/clk-uniphier-core.c
index f4e0f6be5f33..84bc465d31aa 100644
--- a/drivers/clk/uniphier/clk-uniphier-core.c
+++ b/drivers/clk/uniphier/clk-uniphier-core.c
@@ -79,7 +79,7 @@ static int uniphier_clk_probe(struct platform_device *pdev)
hw_data->num = clk_num;
/* avoid returning NULL for unused idx */
- for (; clk_num >= 0; clk_num--)
+ while (--clk_num >= 0)
hw_data->hws[clk_num] = ERR_PTR(-EINVAL);
for (p = data; p->name; p++) {