[PATCH -next] input/keyboard/qt1050: fix unsigned comparison with 0
From: ChenTao <hidden>
Date: 2020-05-06 11:05:43
Also in:
lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Fixes warning because num is u32 and can never be negtative drivers/input/keyboard/qt1050.c:371:18: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] if (button.num < 0 || button.num > QT1050_MAX_KEYS - 1) Reported-by: Hulk Robot <redacted> Signed-off-by: ChenTao <redacted> --- drivers/input/keyboard/qt1050.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/keyboard/qt1050.c b/drivers/input/keyboard/qt1050.c
index 403060d05c3b..a9ac99f62e39 100644
--- a/drivers/input/keyboard/qt1050.c
+++ b/drivers/input/keyboard/qt1050.c@@ -368,7 +368,7 @@ static int qt1050_parse_fw(struct qt1050_priv *ts) dev_err(dev, "Button without pad number\n"); goto err; } - if (button.num < 0 || button.num > QT1050_MAX_KEYS - 1) + if (button.num > QT1050_MAX_KEYS - 1) goto err; ts->reg_keys |= BIT(button.num);
--
2.22.0