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net: uqmi: fix blocking in endless loops when unplugging device 

If you unplug a QMI device, the /dev/cdc-wdmX device
disappears but uqmi will continue to poll it endlessly.

Then, when you plug it back, you have 2 uqmi processes,
and that's bad, because 2 processes talking QMI to the
same device [and the same time] doesn't seem to work well.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
owl
Alexandru Ardelean 2017-09-29 16:35:30 +03:00 committed by Alexander Couzens
parent f8595a51d9
commit a5d016f361
1 changed files with 2 additions and 0 deletions
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2
package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
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@ -65,6 +65,7 @@ proto_qmi_setup() {
[ -n "$delay" ] && sleep "$delay" [ -n "$delay" ] && sleep "$delay"
while uqmi -s -d "$device" --get-pin-status | grep '"UIM uninitialized"' > /dev/null; do while uqmi -s -d "$device" --get-pin-status | grep '"UIM uninitialized"' > /dev/null; do
[ -e "$device" ] || return 1
sleep 1; sleep 1;
done done
@ -102,6 +103,7 @@ proto_qmi_setup() {
echo "Waiting for network registration" echo "Waiting for network registration"
while uqmi -s -d "$device" --get-serving-system | grep '"searching"' > /dev/null; do while uqmi -s -d "$device" --get-serving-system | grep '"searching"' > /dev/null; do
[ -e "$device" ] || return 1
sleep 5; sleep 5;
done done