diff mbox

nfc: nci: remove unnecessary null check

Message ID 20170613163718.GA5375@embeddedgus
State Awaiting Upstream, archived
Delegated to: David Miller
Headers show

Commit Message

Gustavo A. R. Silva June 13, 2017, 4:37 p.m. UTC
Remove unnecessary NULL check for pointer conn_info.
conn_info is set in list_for_each_entry() using container_of(),
which is never NULL.

Addresses-Coverity-ID: 1362349
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
 net/nfc/nci/core.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

Comments

Guenter Roeck June 15, 2017, 5:29 p.m. UTC | #1
On Tue, Jun 13, 2017 at 11:37:18AM -0500, Gustavo A. R. Silva wrote:
> Remove unnecessary NULL check for pointer conn_info.
> conn_info is set in list_for_each_entry() using container_of(),
> which is never NULL.
> 
> Addresses-Coverity-ID: 1362349
> Cc: Guenter Roeck <linux@roeck-us.net>
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
>  net/nfc/nci/core.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
> index 61fff42..c15cb88 100644
> --- a/net/nfc/nci/core.c
> +++ b/net/nfc/nci/core.c
> @@ -73,11 +73,10 @@ int nci_get_conn_info_by_dest_type_params(struct nci_dev *ndev, u8 dest_type,
>  		if (conn_info->dest_type == dest_type) {
>  			if (!params)
>  				return conn_info->conn_id;
> -			if (conn_info) {
> -				if (params->id == conn_info->dest_params->id &&
> -				    params->protocol == conn_info->dest_params->protocol)
> -					return conn_info->conn_id;
> -			}
> +
> +			if (params->id == conn_info->dest_params->id &&
> +			    params->protocol == conn_info->dest_params->protocol)
> +				return conn_info->conn_id;
>  		}
>  	}
>  
> -- 
> 2.5.0
>
Samuel Ortiz June 22, 2017, 10:35 p.m. UTC | #2
Hi Gustavo,

On Tue, Jun 13, 2017 at 11:37:18AM -0500, Gustavo A. R. Silva wrote:
> Remove unnecessary NULL check for pointer conn_info.
> conn_info is set in list_for_each_entry() using container_of(),
> which is never NULL.
> 
> Addresses-Coverity-ID: 1362349
> Cc: Guenter Roeck <linux@roeck-us.net>
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
> ---
>  net/nfc/nci/core.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
Applied to nfc-next, thanks.

Cheers,
Samuel.
Gustavo A. R. Silva June 23, 2017, 1:25 a.m. UTC | #3
Hi Samuel,

Quoting Samuel Ortiz <sameo@linux.intel.com>:

> Hi Gustavo,
>
> On Tue, Jun 13, 2017 at 11:37:18AM -0500, Gustavo A. R. Silva wrote:
>> Remove unnecessary NULL check for pointer conn_info.
>> conn_info is set in list_for_each_entry() using container_of(),
>> which is never NULL.
>>
>> Addresses-Coverity-ID: 1362349
>> Cc: Guenter Roeck <linux@roeck-us.net>
>> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
>> ---
>>  net/nfc/nci/core.c | 9 ++++-----
>>  1 file changed, 4 insertions(+), 5 deletions(-)
> Applied to nfc-next, thanks.
>

Absolutely, glad to help.

Thanks
--
Gustavo A. R. Silva
diff mbox

Patch

diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 61fff42..c15cb88 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -73,11 +73,10 @@  int nci_get_conn_info_by_dest_type_params(struct nci_dev *ndev, u8 dest_type,
 		if (conn_info->dest_type == dest_type) {
 			if (!params)
 				return conn_info->conn_id;
-			if (conn_info) {
-				if (params->id == conn_info->dest_params->id &&
-				    params->protocol == conn_info->dest_params->protocol)
-					return conn_info->conn_id;
-			}
+
+			if (params->id == conn_info->dest_params->id &&
+			    params->protocol == conn_info->dest_params->protocol)
+				return conn_info->conn_id;
 		}
 	}