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* [PATCH] ath9k: off by one in ath9k_hw_nvram_read_array()
@ 2017-04-06  5:12 ` Dan Carpenter
  0 siblings, 0 replies; 4+ messages in thread
From: Dan Carpenter @ 2017-04-06  5:12 UTC (permalink / raw)
  To: QCA ath9k Development, Gabor Juhos
  Cc: Kalle Valo, linux-wireless, kernel-janitors

The > should be >= or we read one space beyond the end of the array.

Fixes: ab5c4f71d8c7 ("ath9k: allow to load EEPROM content via firmware API")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index fb80ec86e53d..6ccf24814514 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -112,7 +112,7 @@ void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
 static bool ath9k_hw_nvram_read_array(u16 *blob, size_t blob_size,
 				      off_t offset, u16 *data)
 {
-	if (offset > blob_size)
+	if (offset >= blob_size)
 		return false;
 
 	*data =  blob[offset];

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

* [PATCH] ath9k: off by one in ath9k_hw_nvram_read_array()
@ 2017-04-06  5:12 ` Dan Carpenter
  0 siblings, 0 replies; 4+ messages in thread
From: Dan Carpenter @ 2017-04-06  5:12 UTC (permalink / raw)
  To: QCA ath9k Development, Gabor Juhos
  Cc: Kalle Valo, linux-wireless, kernel-janitors

The > should be >= or we read one space beyond the end of the array.

Fixes: ab5c4f71d8c7 ("ath9k: allow to load EEPROM content via firmware API")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index fb80ec86e53d..6ccf24814514 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -112,7 +112,7 @@ void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
 static bool ath9k_hw_nvram_read_array(u16 *blob, size_t blob_size,
 				      off_t offset, u16 *data)
 {
-	if (offset > blob_size)
+	if (offset >= blob_size)
 		return false;
 
 	*data =  blob[offset];

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

* Re: ath9k: off by one in ath9k_hw_nvram_read_array()
  2017-04-06  5:12 ` Dan Carpenter
@ 2017-04-19 13:58   ` Kalle Valo
  -1 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2017-04-19 13:58 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: QCA ath9k Development, Gabor Juhos, Kalle Valo, linux-wireless,
	kernel-janitors

Dan Carpenter <dan.carpenter@oracle.com> wrote:
> The > should be >= or we read one space beyond the end of the array.
> 
> Fixes: ab5c4f71d8c7 ("ath9k: allow to load EEPROM content via firmware API")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
> index fb80ec86e53d..6ccf24814514 100644
> --- a/drivers/net/wireless/ath/ath9k/eeprom.c
> +++ b/drivers/net/wireless/ath/ath9k/eeprom.c
> @@ -112,7 +112,7 @@ void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
>  static bool ath9k_hw_nvram_read_array(u16 *blob, size_t blob_size,
>  				      off_t offset, u16 *data)
>  {
> -	if (offset > blob_size)
> +	if (offset >= blob_size)
>  		return false;
>  
>  	*data =  blob[offset];

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

b7dcf68f383a ath9k: off by one in ath9k_hw_nvram_read_array()

-- 
https://patchwork.kernel.org/patch/9666031/

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

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

* Re: ath9k: off by one in ath9k_hw_nvram_read_array()
@ 2017-04-19 13:58   ` Kalle Valo
  0 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2017-04-19 13:58 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: QCA ath9k Development, Gabor Juhos, Kalle Valo, linux-wireless,
	kernel-janitors

Dan Carpenter <dan.carpenter@oracle.com> wrote:
> The > should be >= or we read one space beyond the end of the array.
> 
> Fixes: ab5c4f71d8c7 ("ath9k: allow to load EEPROM content via firmware API")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
> index fb80ec86e53d..6ccf24814514 100644
> --- a/drivers/net/wireless/ath/ath9k/eeprom.c
> +++ b/drivers/net/wireless/ath/ath9k/eeprom.c
> @@ -112,7 +112,7 @@ void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
>  static bool ath9k_hw_nvram_read_array(u16 *blob, size_t blob_size,
>  				      off_t offset, u16 *data)
>  {
> -	if (offset > blob_size)
> +	if (offset >= blob_size)
>  		return false;
>  
>  	*data =  blob[offset];

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

b7dcf68f383a ath9k: off by one in ath9k_hw_nvram_read_array()

-- 
https://patchwork.kernel.org/patch/9666031/

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


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

end of thread, other threads:[~2017-04-19 13:58 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2017-04-06  5:12 [PATCH] ath9k: off by one in ath9k_hw_nvram_read_array() Dan Carpenter
2017-04-06  5:12 ` Dan Carpenter
2017-04-19 13:58 ` Kalle Valo
2017-04-19 13:58   ` Kalle Valo

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