2012-09-30 19:21:26

by Peter Senna Tschudin

Subject: [PATCH] ath/ath9k/ar9003_eeprom.c: Remove unnecessary semicolon

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r1@
position p;
@@
if (...);@p

@script:python@
p0 << r1.p;
@@
// Emacs org-mode output
cocci.print_main("", p0)
cocci.print_secs("", p0)
// </smpl>

Signed-off-by: Peter Senna Tschudin <[email protected]>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 5bbe505..189aeb2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -2989,7 +2989,7 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
case EEP_PAPRD:
if (AR_SREV_9462(ah))
return false;
- if (!ah->config.enable_paprd);
+ if (!ah->config.enable_paprd)
return false;
return !!(pBase->featureEnable & BIT(5));
case EEP_CHAIN_MASK_REDUCE:
--
1.7.11.4

2012-09-30 20:56:51

by Peter Senna Tschudin

Subject: [PATCH V2] ath/ath9k/ar9003_eeprom.c: Remove semicolon after if

The semantic patch that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r1@
position p;
@@
if (...);@p

@script:python@
p0 << r1.p;
@@
// Emacs org-mode output
cocci.print_main("", p0)
cocci.print_secs("", p0)
// </smpl>

Signed-off-by: Peter Senna Tschudin <[email protected]>
---
NOTE: This patch changes the semantics.

Changes from V1:
Commit message
Added a note about semantics change

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 5bbe505..189aeb2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -2989,7 +2989,7 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
case EEP_PAPRD:
if (AR_SREV_9462(ah))
return false;
- if (!ah->config.enable_paprd);
+ if (!ah->config.enable_paprd)
return false;
return !!(pBase->featureEnable & BIT(5));
case EEP_CHAIN_MASK_REDUCE:
--
1.7.11.4

2012-09-30 19:34:22

by Johannes Berg

Subject: Re: [PATCH] ath/ath9k/ar9003_eeprom.c: Remove unnecessary semicolon

On Sun, 2012-09-30 at 21:21 +0200, Peter Senna Tschudin wrote:

> - if (!ah->config.enable_paprd);
> + if (!ah->config.enable_paprd)
> return false;

That's not an "unnecessary semicolon", it's a pretty strange bug :)

johannes

2012-10-10 16:39:14

by Peter Senna Tschudin

Subject: [PATCH V3] ath/ath9k/ar9003_eeprom.c: Remove semicolon after if

This patch remove a semicolon after if(...) that is preventing the
error check to work correctly. Removing this semicolon will change the
code behavior, but this is intended.

The semantic patch that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r1@
position p;
@@
if (...);@p

@script:python@
p0 << r1.p;
@@
// Emacs org-mode output
cocci.print_main("", p0)
cocci.print_secs("", p0)
// </smpl>

Signed-off-by: Peter Senna Tschudin <[email protected]>
---
NOTE: This patch changes the semantics.

Changes from V1:
Commit message
Added a note about semantics change

Changes from V2:
Commit message

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 5bbe505..189aeb2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -2989,7 +2989,7 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
case EEP_PAPRD:
if (AR_SREV_9462(ah))
return false;
- if (!ah->config.enable_paprd);
+ if (!ah->config.enable_paprd)
return false;
return !!(pBase->featureEnable & BIT(5));
case EEP_CHAIN_MASK_REDUCE:
--
1.7.11.4

2012-10-10 18:22:09

by Joe Perches

Subject: Re: [PATCH V3] ath/ath9k/ar9003_eeprom.c: Remove semicolon after if

On Wed, 2012-10-10 at 18:38 +0200, Peter Senna Tschudin wrote:
> This patch remove a semicolon after if(...) that is preventing the
> error check to work correctly. Removing this semicolon will change the
> code behavior, but this is intended.
>
> The semantic patch that finds this problem is as follows:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @r1@
> position p;
> @@
> if (...);@p

this semantic patch would be a lot less tedious to
inspect the results if it excluded else after the
semicolon.

I've used perl for more or less the same output.