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[ath9k] Fix buffer overrun for ar9287
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This backport is from linux kernel upstream commit 83d6f1f ("ath9k:
fix buffer overrun for ar9287").

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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@eworm-de @mcb30
eworm-de authored and mcb30 committed May 12, 2016
1 parent 6017066 commit 858f56e
Showing 1 changed file with 3 additions and 4 deletions.
7 changes: 3 additions & 4 deletions src/drivers/net/ath/ath9k/ath9k_eeprom.c
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Expand Up @@ -368,10 +368,9 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,

if (match) {
if (AR_SREV_9287(ah)) {
/* FIXME: array overrun? */
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_9287[idxL].pwrPdg[i][0];
maxPwrT4[i] = data_9287[idxL].pwrPdg[i][4];
maxPwrT4[i] = data_9287[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_9287[idxL].pwrPdg[i],
data_9287[idxL].vpdPdg[i],
Expand All @@ -381,7 +380,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
} else if (eeprom_4k) {
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_4k[idxL].pwrPdg[i][0];
maxPwrT4[i] = data_4k[idxL].pwrPdg[i][4];
maxPwrT4[i] = data_4k[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_4k[idxL].pwrPdg[i],
data_4k[idxL].vpdPdg[i],
Expand All @@ -391,7 +390,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
} else {
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_def[idxL].pwrPdg[i][0];
maxPwrT4[i] = data_def[idxL].pwrPdg[i][4];
maxPwrT4[i] = data_def[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_def[idxL].pwrPdg[i],
data_def[idxL].vpdPdg[i],
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