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* [PATCH] mmc: sdricoh_cs: remove redundant check if len is non-zero
@ 2017-05-09 15:45 Colin King
  2017-05-15 10:51 ` Ulf Hansson
  0 siblings, 1 reply; 2+ messages in thread
From: Colin King @ 2017-05-09 15:45 UTC (permalink / raw)
  To: Sascha Sommer, Ulf Hansson, linux-mmc; +Cc: kernel-janitors, linux-kernel

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

At the end of either of the read or write loops len is always zero
and hence the non-zero check on len and return of -EIO is redundant
and can be removed.

Detected by CoverityScan, CID#114293 ("Logically dead code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/mmc/host/sdricoh_cs.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
index 5ff26ab81eb1..70cb00aa79a0 100644
--- a/drivers/mmc/host/sdricoh_cs.c
+++ b/drivers/mmc/host/sdricoh_cs.c
@@ -256,9 +256,6 @@ static int sdricoh_blockio(struct sdricoh_host *host, int read,
 		}
 	}
 
-	if (len)
-		return -EIO;
-
 	return 0;
 }
 
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] mmc: sdricoh_cs: remove redundant check if len is non-zero
  2017-05-09 15:45 [PATCH] mmc: sdricoh_cs: remove redundant check if len is non-zero Colin King
@ 2017-05-15 10:51 ` Ulf Hansson
  0 siblings, 0 replies; 2+ messages in thread
From: Ulf Hansson @ 2017-05-15 10:51 UTC (permalink / raw)
  To: Colin King; +Cc: Sascha Sommer, linux-mmc, kernel-janitors, linux-kernel

On 9 May 2017 at 17:45, Colin King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> At the end of either of the read or write loops len is always zero
> and hence the non-zero check on len and return of -EIO is redundant
> and can be removed.
>
> Detected by CoverityScan, CID#114293 ("Logically dead code")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Thanks, applied for next!

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdricoh_cs.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
> index 5ff26ab81eb1..70cb00aa79a0 100644
> --- a/drivers/mmc/host/sdricoh_cs.c
> +++ b/drivers/mmc/host/sdricoh_cs.c
> @@ -256,9 +256,6 @@ static int sdricoh_blockio(struct sdricoh_host *host, int read,
>                 }
>         }
>
> -       if (len)
> -               return -EIO;
> -
>         return 0;
>  }
>
> --
> 2.11.0
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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