4.19-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 2e85c57493e391b93445c1e0d530b36b95becc64 ]
The > comparison should be >= or we write one element beyond the end of the unit->clk_table[] array.
(The unit->clk_table[] array is allocated in the mmp_clk_init() function and it has unit->nr_clks elements).
Fixes: 4661fda10f8b ("clk: mmp: add basic support functions for DT support") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/clk/mmp/clk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c index ad8d483a35cd..ca7d37e2c7be 100644 --- a/drivers/clk/mmp/clk.c +++ b/drivers/clk/mmp/clk.c @@ -183,7 +183,7 @@ void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id, pr_err("CLK %d has invalid pointer %p\n", id, clk); return; } - if (id > unit->nr_clks) { + if (id >= unit->nr_clks) { pr_err("CLK %d is invalid\n", id); return; }