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* [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err
@ 2020-05-26 22:49 Colin King
  2020-05-26 23:20 ` Eric Biggers
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Colin King @ 2020-05-26 22:49 UTC (permalink / raw)
  To: Jens Axboe, linux-block; +Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

The variable err is being initialized with a value that is never read
and it is being updated later with a new value.  The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 block/blk-crypto-fallback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
index 74ab137ae3ba..6e49688a2d80 100644
--- a/block/blk-crypto-fallback.c
+++ b/block/blk-crypto-fallback.c
@@ -529,7 +529,7 @@ static bool blk_crypto_fallback_inited;
 static int blk_crypto_fallback_init(void)
 {
 	int i;
-	int err = -ENOMEM;
+	int err;
 
 	if (blk_crypto_fallback_inited)
 		return 0;
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err
  2020-05-26 22:49 [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err Colin King
@ 2020-05-26 23:20 ` Eric Biggers
  2020-05-26 23:27 ` [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err' Satya Tangirala
  2020-05-27 11:42 ` [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err Jens Axboe
  2 siblings, 0 replies; 4+ messages in thread
From: Eric Biggers @ 2020-05-26 23:20 UTC (permalink / raw)
  To: Colin King
  Cc: Jens Axboe, linux-block, kernel-janitors, linux-kernel, Satya Tangirala

On Tue, May 26, 2020 at 11:49:02PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The variable err is being initialized with a value that is never read
> and it is being updated later with a new value.  The initialization is
> redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  block/blk-crypto-fallback.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
> index 74ab137ae3ba..6e49688a2d80 100644
> --- a/block/blk-crypto-fallback.c
> +++ b/block/blk-crypto-fallback.c
> @@ -529,7 +529,7 @@ static bool blk_crypto_fallback_inited;
>  static int blk_crypto_fallback_init(void)
>  {
>  	int i;
> -	int err = -ENOMEM;
> +	int err;
>  
>  	if (blk_crypto_fallback_inited)
>  		return 0;

Looks good, you can add:

	Reviewed-by: Eric Biggers <ebiggers@google.com>

- Eric

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err'
  2020-05-26 22:49 [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err Colin King
  2020-05-26 23:20 ` Eric Biggers
@ 2020-05-26 23:27 ` Satya Tangirala
  2020-05-27 11:42 ` [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err Jens Axboe
  2 siblings, 0 replies; 4+ messages in thread
From: Satya Tangirala @ 2020-05-26 23:27 UTC (permalink / raw)
  To: Colin King; +Cc: Jens Axboe, linux-block, kernel-janitors, linux-kernel

On Tue, May 26, 2020 at 11:49:02PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The variable err is being initialized with a value that is never read
> and it is being updated later with a new value.  The initialization is
> redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  block/blk-crypto-fallback.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
> index 74ab137ae3ba..6e49688a2d80 100644
> --- a/block/blk-crypto-fallback.c
> +++ b/block/blk-crypto-fallback.c
> @@ -529,7 +529,7 @@ static bool blk_crypto_fallback_inited;
>  static int blk_crypto_fallback_init(void)
>  {
>  	int i;
> -	int err = -ENOMEM;
> +	int err;
>  
>  	if (blk_crypto_fallback_inited)
>  		return 0;
> -- 
Looks good to me - you can add:

Reviewed-by: Satya Tangirala <satyat@google.com>

Thanks!
> 2.25.1
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err
  2020-05-26 22:49 [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err Colin King
  2020-05-26 23:20 ` Eric Biggers
  2020-05-26 23:27 ` [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err' Satya Tangirala
@ 2020-05-27 11:42 ` Jens Axboe
  2 siblings, 0 replies; 4+ messages in thread
From: Jens Axboe @ 2020-05-27 11:42 UTC (permalink / raw)
  To: Colin King, linux-block; +Cc: kernel-janitors, linux-kernel

On 5/26/20 4:49 PM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The variable err is being initialized with a value that is never read
> and it is being updated later with a new value.  The initialization is
> redundant and can be removed.

Applied, thanks.

-- 
Jens Axboe


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-05-27 11:42 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2020-05-26 22:49 [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err Colin King
2020-05-26 23:20 ` Eric Biggers
2020-05-26 23:27 ` [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err' Satya Tangirala
2020-05-27 11:42 ` [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err Jens Axboe

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