2012-05-15 09:54:56

by Mohammed Shafi Shajakhan

[permalink] [raw]
Subject: [PATCH v2 1/1] ath9k: Fix modal EEPROM dump

From: Mohammed Shafi Shajakhan <[email protected]>

we provide excess buffer size for 'simple_read_from_buffer'
for modal EEPROM dump. This results in trailing NULL bytes
at the end of EEPROM dump, fix this.

Cc: Rajkumar Manoharan <[email protected]>
Reported-by: Holger Schurig <[email protected]>
Signed-off-by: Mohammed Shafi Shajakhan <[email protected]>
---

v2: fix the spelling mistake in subject line

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 4 ++--
drivers/net/wireless/ath/ath9k/eeprom_4k.c | 2 +-
drivers/net/wireless/ath/ath9k/eeprom_9287.c | 2 +-
drivers/net/wireless/ath/ath9k/eeprom_def.c | 4 ++--
4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index ac53d90..868f30f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3412,11 +3412,11 @@ static u32 ath9k_hw_ar9003_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
if (!dump_base_hdr) {
len += snprintf(buf + len, size - len,
"%20s :\n", "2GHz modal Header");
- len += ar9003_dump_modal_eeprom(buf, len, size,
+ len = ar9003_dump_modal_eeprom(buf, len, size,
&eep->modalHeader2G);
len += snprintf(buf + len, size - len,
"%20s :\n", "5GHz modal Header");
- len += ar9003_dump_modal_eeprom(buf, len, size,
+ len = ar9003_dump_modal_eeprom(buf, len, size,
&eep->modalHeader5G);
goto out;
}
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 4322ac8..a850f44 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -135,7 +135,7 @@ static u32 ath9k_hw_4k_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
if (!dump_base_hdr) {
len += snprintf(buf + len, size - len,
"%20s :\n", "2GHz modal Header");
- len += ath9k_dump_4k_modal_eeprom(buf, len, size,
+ len = ath9k_dump_4k_modal_eeprom(buf, len, size,
&eep->modalHeader);
goto out;
}
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index aa61476..cd742fb 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -132,7 +132,7 @@ static u32 ath9k_hw_ar9287_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
if (!dump_base_hdr) {
len += snprintf(buf + len, size - len,
"%20s :\n", "2GHz modal Header");
- len += ar9287_dump_modal_eeprom(buf, len, size,
+ len = ar9287_dump_modal_eeprom(buf, len, size,
&eep->modalHeader);
goto out;
}
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index b5fba8b..56290f3 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -211,11 +211,11 @@ static u32 ath9k_hw_def_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
if (!dump_base_hdr) {
len += snprintf(buf + len, size - len,
"%20s :\n", "2GHz modal Header");
- len += ath9k_def_dump_modal_eeprom(buf, len, size,
+ len = ath9k_def_dump_modal_eeprom(buf, len, size,
&eep->modalHeader[0]);
len += snprintf(buf + len, size - len,
"%20s :\n", "5GHz modal Header");
- len += ath9k_def_dump_modal_eeprom(buf, len, size,
+ len = ath9k_def_dump_modal_eeprom(buf, len, size,
&eep->modalHeader[1]);
goto out;
}
--
1.7.0.4



2012-05-15 13:02:42

by Holger Schurig

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] ath9k: Fix modal EEPROM dump

Tested-by: Holger Schurig <[email protected]>

Works for me :-)

2012-05-15 13:09:35

by Mohammed Shafi Shajakhan

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] ath9k: Fix modal EEPROM dump

On Tuesday 15 May 2012 06:32 PM, Holger Schurig wrote:
> Tested-by: Holger Schurig<[email protected]>
>
> Works for me :-)

thanks a lot for testing!. works for me too :-)

--
thanks,
shafi