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stm32/mbedtls: Add NULL pointer check in m_free_mbedtls.

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According to the C standard the free(void *ptr) function: if ptr is a null
pointer, no action occurs.

Signed-off-by: Peter Züger <zueger.peter@icloud.com>
This commit is contained in:
Peter Züger
2022-03-16 15:45:03 +01:00
committed by Damien George
parent a16dcc8136
commit 95ee29f4f4
1 changed files with 3 additions and 0 deletions
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ports/stm32/mbedtls/mbedtls_port.c
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@@ -62,6 +62,9 @@ void *m_calloc_mbedtls(size_t nmemb, size_t size) {
} }
void m_free_mbedtls(void *ptr_in) { void m_free_mbedtls(void *ptr_in) {
if (ptr_in == NULL) {
return;
}
void **ptr = &((void**)ptr_in)[-2]; void **ptr = &((void**)ptr_in)[-2];
#if DEBUG #if DEBUG
uint32_t nb; uint32_t nb;