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Diffstat (limited to 'os/hal/platforms/STM32/i2c_lld.c')
-rw-r--r--os/hal/platforms/STM32/i2c_lld.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.c b/os/hal/platforms/STM32/i2c_lld.c
index 996033da5..7458d9252 100644
--- a/os/hal/platforms/STM32/i2c_lld.c
+++ b/os/hal/platforms/STM32/i2c_lld.c
@@ -167,8 +167,10 @@ static void i2c_lld_safety_timeout(void *p) {
if (i2cp->thread) {
i2c_lld_abort_operation(i2cp);
+ chSysLockFromIsr();
i2cp->thread->p_u.rdymsg = RDY_TIMEOUT;
chSchReadyI(i2cp->thread);
+ chSysUnlockFromIsr();
}
}