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Prevent null pointer crash in Endstops::update

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Thanks to Evgeny Kotsuba!
This commit is contained in:
Scott Lahteine 2018-03-20 04:20:45 -05:00
parent 53362b81cc
commit a5c6d3c7b8
1 changed files with 100 additions and 96 deletions
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4
Marlin/src/module/endstops.cpp
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@ -448,6 +448,8 @@ void Endstops::update() {
/** /**
* Check and update endstops according to conditions * Check and update endstops according to conditions
*/ */
if (stepper.current_block) {
if (X_MOVE_TEST) { if (X_MOVE_TEST) {
if (stepper.motor_direction(X_AXIS_HEAD)) { // -direction if (stepper.motor_direction(X_AXIS_HEAD)) { // -direction
#if HAS_X_MIN #if HAS_X_MIN
@ -562,6 +564,8 @@ void Endstops::update() {
} }
} }
} // stepper.current_block
old_endstop_bits = current_endstop_bits; old_endstop_bits = current_endstop_bits;
} // Endstops::update() } // Endstops::update()