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ath9k: Fix modal EEPROM dump

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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 <rmanohar@qca.qualcomm.com>
Reported-by: Holger Schurig <holgerschurig@googlemail.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Tested-by: Holger Schurig <holgerschurig@gogglemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mohammed Shafi Shajakhan 2012-05-15 15:24:47 +05:30 committed by John W. Linville
parent 1dacd1980d
commit d25360b190
4 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@ -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;
}

2
drivers/net/wireless/ath/ath9k/eeprom_4k.c
View File

@ -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;
}

2
drivers/net/wireless/ath/ath9k/eeprom_9287.c
View File

@ -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;
}

4
drivers/net/wireless/ath/ath9k/eeprom_def.c
View File

@ -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;
}