ic3: off by one in mode_show()

This should be >= ARRAY_SIZE() to avoid reading one element beyond the
end of the array.

Fixes: 3a379bbcea0a ("i3c: Add core I3C infrastructure")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index bda4b9613e53a7d92cbf5cea5bcfc84d7b3931f0..c39f89d2debaae9bd37bb3d5f4e252628a8435fd 100644 (file)
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -475,7 +475,7 @@ static ssize_t mode_show(struct device *dev,
 
        i3c_bus_normaluse_lock(i3cbus);
        if (i3cbus->mode < 0 ||
-           i3cbus->mode > ARRAY_SIZE(i3c_bus_mode_strings) ||
+           i3cbus->mode >= ARRAY_SIZE(i3c_bus_mode_strings) ||
            !i3c_bus_mode_strings[i3cbus->mode])
                ret = sprintf(buf, "unknown\n");
        else