Input: cyapa - remove superfluous type check in cyapa_gen5_read_idac_data()
authorGeert Uytterhoeven <geert@linux-m68k.org>
Mon, 2 Mar 2015 17:39:24 +0000 (09:39 -0800)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Mon, 2 Mar 2015 21:31:33 +0000 (13:31 -0800)
drivers/input/mouse/cyapa_gen5.c: In function ‘cyapa_gen5_read_idac_data’:
drivers/input/mouse/cyapa_gen5.c:1876: warning: ‘max_element_cnt’ may be used uninitialized in this function
drivers/input/mouse/cyapa_gen5.c:1873: warning: ‘offset’ may be used uninitialized in this function

If *data_size is non-zero, and idac_data_type contains an unknown type,
max_element_cnt and offset will be uninitialized, and the loop will
process non-existing data.

However, this cannot happen (for now), as there's a test for unknown
types at the top of cyapa_gen5_read_idac_data().

As no "if ... else if ..." is used in other places, remove the
superfluous "if" to silence the compiler warning.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/mouse/cyapa_gen5.c

index aa68edd46b764c93d4a6fdc9f23b1ce655945477..5b611dd71e790660fa1492dab505499222390d02 100644 (file)
@@ -1926,7 +1926,7 @@ static int cyapa_gen5_read_idac_data(struct cyapa *cyapa,
                                electrodes_tx = cyapa->electrodes_x;
                        max_element_cnt = ((cyapa->aligned_electrodes_rx + 7) &
                                                ~7u) * electrodes_tx;
-               } else if (idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) {
+               } else {
                        offset = 2;
                        max_element_cnt = cyapa->electrodes_x +
                                                cyapa->electrodes_y;