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* [PATCH] ath10k: remove redundant error check
@ 2017-02-28 11:14 Colin King
  2017-03-16  8:57 ` Kalle Valo
  0 siblings, 1 reply; 2+ messages in thread
From: Colin King @ 2017-02-28 11:14 UTC (permalink / raw)
  To: Kalle Valo, ath10k, linux-wireless, netdev; +Cc: kernel-janitors, linux-kernel

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

The check on ret for an error is redundant because it is already been
checked for non-zero earlier on and ret is never non-zero at this point.
Fix this by removing the redundant check and error message.

Detected by CoverityScan, CID#1357170 ("Logically Dead Code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/net/wireless/ath/ath10k/pci.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 6094372..52896c2 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -970,12 +970,6 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data,
 		}
 
 		remaining_bytes -= nbytes;
-
-		if (ret) {
-			ath10k_warn(ar, "failed to read diag value at 0x%x: %d\n",
-				    address, ret);
-			break;
-		}
 		memcpy(data, data_buf, nbytes);
 
 		address += nbytes;
-- 
2.10.2

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

* Re: ath10k: remove redundant error check
  2017-02-28 11:14 [PATCH] ath10k: remove redundant error check Colin King
@ 2017-03-16  8:57 ` Kalle Valo
  0 siblings, 0 replies; 2+ messages in thread
From: Kalle Valo @ 2017-03-16  8:57 UTC (permalink / raw)
  To: Colin Ian King
  Cc: ath10k, linux-wireless, netdev, kernel-janitors, linux-kernel

Colin Ian King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The check on ret for an error is redundant because it is already been
> checked for non-zero earlier on and ret is never non-zero at this point.
> Fix this by removing the redundant check and error message.
> 
> Detected by CoverityScan, CID#1357170 ("Logically Dead Code")
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Patch applied to ath-next branch of ath.git, thanks.

51f60b8b6979 ath10k: remove redundant error check

-- 
https://patchwork.kernel.org/patch/9595221/

Documentation about submitting wireless patches and checking status
from patchwork:

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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

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