diff mbox

input: synaptics-rmi4: check for non zero version logically dead code

Message ID 20161220095649.7674-1-colin.king@canonical.com (mailing list archive)
State Accepted
Headers show

Commit Message

Colin King Dec. 20, 2016, 9:56 a.m. UTC
From: Colin Ian King <colin.king@canonical.com>

version is a u8, the check for version > 0 means that version can only
be zero, so the subsequent check for version != 0 is never true and
hence is redudant code and can be removed.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/input/rmi4/rmi_f34.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Benjamin Tissoires Jan. 2, 2017, 9:03 a.m. UTC | #1
On Dec 20 2016 or thereabouts, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> version is a u8, the check for version > 0 means that version can only
> be zero, so the subsequent check for version != 0 is never true and
> hence is redudant code and can be removed.
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---

Works for me:
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

>  drivers/input/rmi4/rmi_f34.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c
> index 9774dfb..c3285ce 100644
> --- a/drivers/input/rmi4/rmi_f34.c
> +++ b/drivers/input/rmi4/rmi_f34.c
> @@ -441,8 +441,6 @@ static int rmi_f34_probe(struct rmi_function *fn)
>  	/* v5 code only supported version 0, try V7 probe */
>  	if (version > 0)
>  		return rmi_f34v7_probe(f34);
> -	else if (version != 0)
> -		return -ENODEV;
>  
>  	f34->bl_version = 5;
>  
> -- 
> 2.10.2
> 
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diff mbox

Patch

diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c
index 9774dfb..c3285ce 100644
--- a/drivers/input/rmi4/rmi_f34.c
+++ b/drivers/input/rmi4/rmi_f34.c
@@ -441,8 +441,6 @@  static int rmi_f34_probe(struct rmi_function *fn)
 	/* v5 code only supported version 0, try V7 probe */
 	if (version > 0)
 		return rmi_f34v7_probe(f34);
-	else if (version != 0)
-		return -ENODEV;
 
 	f34->bl_version = 5;