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-rw-r--r--os/hal/src/gpt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/os/hal/src/gpt.c b/os/hal/src/gpt.c
index d654a3c4a..52bf6610f 100644
--- a/os/hal/src/gpt.c
+++ b/os/hal/src/gpt.c
@@ -198,6 +198,7 @@ void gptStartOneShotI(GPTDriver *gptp, gptcnt_t interval) {
osalDbgCheckClassI();
osalDbgCheck(gptp != NULL);
+ osalDbgCheck(gptp->config->callback != NULL);
osalDbgAssert(gptp->state == GPT_READY,
"invalid state");