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Prevent kernel panic Android 4.2.2 - Only use usb ffs when usb-ffs directory exist #301

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Prevent kernel panic Android 4.2.2 - Only use usb ffs when usb-ffs directory exist #301

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ad147b7
Only use usb ffs when usb-ffs directory exist
1Jesper1 Feb 9, 2021
2460530
Update ffs-check.sh
1Jesper1 Jan 20, 2022
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7 changes: 7 additions & 0 deletions etc/ffs-check.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
if [ -d "/dev/usb-ffs" ]; then
echo "/dev/usb-ffs directory found"
mkdir /dev/usb-ffs 0770 shell shell
mkdir /dev/usb-ffs/adb 0770 shell shell
mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000
write /sys/class/android_usb/android0/f_ffs/aliases adb
fi
6 changes: 2 additions & 4 deletions etc/init.rc
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Expand Up @@ -48,10 +48,8 @@ on init

on fs
mount pstore pstore /sys/fs/pstore
mkdir /dev/usb-ffs 0770 shell shell
mkdir /dev/usb-ffs/adb 0770 shell shell
mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000

exec ffs-check.sh

on boot
ifup lo
hostname localhost
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1 change: 0 additions & 1 deletion etc/init.recovery.usb.rc
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Expand Up @@ -2,7 +2,6 @@ on fs
write /sys/class/android_usb/android0/enable 0
write /sys/class/android_usb/android0/idVendor 18D1
write /sys/class/android_usb/android0/idProduct D001
write /sys/class/android_usb/android0/f_ffs/aliases adb
write /sys/class/android_usb/android0/functions adb
write /sys/class/android_usb/android0/iManufacturer ${ro.product.manufacturer}
write /sys/class/android_usb/android0/iProduct ${ro.product.model}
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