diff options
| -rw-r--r-- | target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata index a3d4867b0b..e6ea873e40 100644 --- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata +++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata @@ -18,12 +18,18 @@ ath10kcal_extract() { local part=$1 local offset=$2 local count=$3 - local mtd + local mtd cal_size mtd=$(find_mtd_chardev $part) [ -n "$mtd" ] || \ ath10kcal_die "no mtd device found for partition $part" + # Check that the calibration data size in header equals the desired size + cal_size=$(dd if=$mtd bs=2 count=1 skip=$(( $offset / 2 )) conv=swab 2>/dev/null | hexdump -ve '1/2 "%d"') + + [ "$count" = "$cal_size" ] || \ + ath10kcal_die "no calibration data found in $part" + dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \ ath10kcal_die "failed to extract calibration data from $mtd" } |