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clk: mmp: Off by one in mmp_clk_add()

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[ Upstream commit 2e85c57493 ]

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: 4661fda10f ("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>
This commit is contained in:
Dan Carpenter
2018-12-03 17:51:43 +03:00
committed by Greg Kroah-Hartman
parent d5f2432339
commit 2f74717d02
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/mmp/clk.c
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@@ -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;
}