[PATCH 29/38] Input: touchscreen: atmel: remove invalid check
STALE3898d
From: Andrzej Hajda <hidden>
Date: 2015-09-21 13:44:00
Also in:
lkml
Subsystem:
atmel maxtouch driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Nick Dyer, Dmitry Torokhov, Linus Torvalds
byte_offset is unsigned. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda <redacted> --- drivers/input/touchscreen/atmel_mxt_ts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index c562205..c577f95 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c@@ -1267,7 +1267,7 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data, byte_offset = reg + i - cfg_start_ofs; - if (byte_offset >= 0 && byte_offset < config_mem_size) { + if (byte_offset < config_mem_size) { *(config_mem + byte_offset) = val; } else { dev_err(dev, "Bad object: reg:%d, T%d, ofs=%d\n",
--
1.9.1