diff mbox

[11/11] sound: ad1889: Fix probable mask then right shift defects

Message ID 20f33139e87eb74f0ac50d0503a241936d4e0ff5.1414387334.git.joe@perches.com (mailing list archive)
State Accepted
Commit ccbec5ea0dd7972d0c99ef8a143bb52c814509cf
Delegated to: Takashi Iwai
Headers show

Commit Message

Joe Perches Oct. 27, 2014, 5:25 a.m. UTC
Precedence of & and >> is not the same and is not left to right.
shift has higher precedence and should be done after the mask.

Add parentheses around the mask.

Signed-off-by: Joe Perches <joe@perches.com>
---
 sound/pci/ad1889.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Takashi Iwai Oct. 27, 2014, 7:41 a.m. UTC | #1
At Sun, 26 Oct 2014 22:25:07 -0700,
Joe Perches wrote:
> 
> Precedence of & and >> is not the same and is not left to right.
> shift has higher precedence and should be done after the mask.
> 
> Add parentheses around the mask.
> 
> Signed-off-by: Joe Perches <joe@perches.com>

Thanks, applied.


Takashi


> ---
>  sound/pci/ad1889.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
> index 7bfdf9c..1610c38 100644
> --- a/sound/pci/ad1889.c
> +++ b/sound/pci/ad1889.c
> @@ -681,7 +681,7 @@ snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
>  	
>  	/* WARQ is at offset 12 */
>  	tmp = (reg & AD_DS_WSMC_WARQ) ?
> -			(((reg & AD_DS_WSMC_WARQ >> 12) & 0x01) ? 12 : 18) : 4;
> +		((((reg & AD_DS_WSMC_WARQ) >> 12) & 0x01) ? 12 : 18) : 4;
>  	tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1;
>  	
>  	snd_iprintf(buffer, "Wave FIFO: %d %s words\n\n", tmp,
> @@ -693,7 +693,7 @@ snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
>  	
>  	/* SYRQ is at offset 4 */
>  	tmp = (reg & AD_DS_WSMC_SYRQ) ?
> -			(((reg & AD_DS_WSMC_SYRQ >> 4) & 0x01) ? 12 : 18) : 4;
> +		((((reg & AD_DS_WSMC_SYRQ) >> 4) & 0x01) ? 12 : 18) : 4;
>  	tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1;
>  	
>  	snd_iprintf(buffer, "Synthesis FIFO: %d %s words\n\n", tmp,
> @@ -709,7 +709,7 @@ snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
>  	
>  	/* ACRQ is at offset 4 */
>  	tmp = (reg & AD_DS_RAMC_ACRQ) ?
> -			(((reg & AD_DS_RAMC_ACRQ >> 4) & 0x01) ? 12 : 18) : 4;
> +		((((reg & AD_DS_RAMC_ACRQ) >> 4) & 0x01) ? 12 : 18) : 4;
>  	tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1;
>  	
>  	snd_iprintf(buffer, "ADC FIFO: %d %s words\n\n", tmp,
> @@ -720,7 +720,7 @@ snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
>  			
>  	/* RERQ is at offset 12 */
>  	tmp = (reg & AD_DS_RAMC_RERQ) ?
> -			(((reg & AD_DS_RAMC_RERQ >> 12) & 0x01) ? 12 : 18) : 4;
> +		((((reg & AD_DS_RAMC_RERQ) >> 12) & 0x01) ? 12 : 18) : 4;
>  	tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1;
>  	
>  	snd_iprintf(buffer, "Resampler FIFO: %d %s words\n\n", tmp,
> -- 
> 2.1.2
>
diff mbox

Patch

diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
index 7bfdf9c..1610c38 100644
--- a/sound/pci/ad1889.c
+++ b/sound/pci/ad1889.c
@@ -681,7 +681,7 @@  snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
 	
 	/* WARQ is at offset 12 */
 	tmp = (reg & AD_DS_WSMC_WARQ) ?
-			(((reg & AD_DS_WSMC_WARQ >> 12) & 0x01) ? 12 : 18) : 4;
+		((((reg & AD_DS_WSMC_WARQ) >> 12) & 0x01) ? 12 : 18) : 4;
 	tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1;
 	
 	snd_iprintf(buffer, "Wave FIFO: %d %s words\n\n", tmp,
@@ -693,7 +693,7 @@  snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
 	
 	/* SYRQ is at offset 4 */
 	tmp = (reg & AD_DS_WSMC_SYRQ) ?
-			(((reg & AD_DS_WSMC_SYRQ >> 4) & 0x01) ? 12 : 18) : 4;
+		((((reg & AD_DS_WSMC_SYRQ) >> 4) & 0x01) ? 12 : 18) : 4;
 	tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1;
 	
 	snd_iprintf(buffer, "Synthesis FIFO: %d %s words\n\n", tmp,
@@ -709,7 +709,7 @@  snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
 	
 	/* ACRQ is at offset 4 */
 	tmp = (reg & AD_DS_RAMC_ACRQ) ?
-			(((reg & AD_DS_RAMC_ACRQ >> 4) & 0x01) ? 12 : 18) : 4;
+		((((reg & AD_DS_RAMC_ACRQ) >> 4) & 0x01) ? 12 : 18) : 4;
 	tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1;
 	
 	snd_iprintf(buffer, "ADC FIFO: %d %s words\n\n", tmp,
@@ -720,7 +720,7 @@  snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffe
 			
 	/* RERQ is at offset 12 */
 	tmp = (reg & AD_DS_RAMC_RERQ) ?
-			(((reg & AD_DS_RAMC_RERQ >> 12) & 0x01) ? 12 : 18) : 4;
+		((((reg & AD_DS_RAMC_RERQ) >> 12) & 0x01) ? 12 : 18) : 4;
 	tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1;
 	
 	snd_iprintf(buffer, "Resampler FIFO: %d %s words\n\n", tmp,