ath9k: Fix modal EEPROM dump

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index dfb0441f406c..f794828c08e2 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;
         }