[patch 1/3] Input: cyttsp4 - silence shift wrap warning
From: Dan Carpenter <hidden>
Date: 2013-07-02 21:40:19
Also in:
kernel-janitors
Subsystem:
cyttsp touchscreen driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Linus Walleij, Dmitry Torokhov, Linus Torvalds
"*max" is a size_t (long) type but "1" is an int so static checkers complain that the shift could wrap. Signed-off-by: Dan Carpenter <redacted>
diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
index 963da05..7aa4a34 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c@@ -153,7 +153,7 @@ static int cyttsp4_hw_reset(struct cyttsp4 *cd) */ static int cyttsp4_bits_2_bytes(unsigned int nbits, size_t *max) { - *max = 1 << nbits; + *max = 1UL << nbits; return (nbits + 7) / 8; }