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authorDan Carpenter <dan.carpenter@oracle.com>2018-12-03 17:51:43 +0300
committerStephen Boyd <sboyd@kernel.org>2018-12-03 20:54:48 +0300
commit2e85c57493e391b93445c1e0d530b36b95becc64 (patch)
tree86b02df835a2f43eab2a64bd94117651d789eba4 /drivers/clk/mmp/clk.c
parentd9f5b7f5dd0fa74a89de5a7ac1e26366f211ccee (diff)
downloadlinux-2e85c57493e391b93445c1e0d530b36b95becc64.tar.xz
clk: mmp: Off by one in mmp_clk_add()
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>
Diffstat (limited to 'drivers/clk/mmp/clk.c')
-rw-r--r--drivers/clk/mmp/clk.c2
1 files changed, 1 insertions, 1 deletions
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;
}