Input: synaptics-rmi4 - change a char type to u8

Smatch doesn't like when we use "%02X" to print char types because,
what about if it's a negative?

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/rmi4/rmi_f34v7.c b/drivers/input/rmi4/rmi_f34v7.c
index 10c0d11..ae2db1c 100644 (file)
--- a/drivers/input/rmi4/rmi_f34v7.c
+++ b/drivers/input/rmi4/rmi_f34v7.c
@@ -518,7 +518,7 @@ static int rmi_f34v7_read_queries(struct f34_data *f34)
                        query_1_7.partition_support[1] & HAS_GUEST_CODE;
 
        if (query_0 & HAS_CONFIG_ID) {
-               char f34_ctrl[CONFIG_ID_SIZE];
+               u8 f34_ctrl[CONFIG_ID_SIZE];
                int i = 0;
                u8 *p = f34->configuration_id;
                *p = '\0';