AP_Networking: fixed off by one error in cache size calculation

this caused some of the memory to be cacheable which led to TCP checksum errors
2023-12-04 08:08:46 +11:00 · 2023-12-04 08:08:46 +11:00 · 55b5e1cff1
commit 55b5e1cff1
parent 0d9c658a1e
1 changed files with 1 additions and 1 deletions
--- a/libraries/AP_Networking/AP_Networking_ChibiOS.cpp
+++ b/libraries/AP_Networking/AP_Networking_ChibiOS.cpp
@ -37,7 +37,7 @@ bool AP_Networking_ChibiOS::allocate_buffers()
                                sizeof(uint32_t)*STM32_MAC_TRANSMIT_BUFFERS*AP_NETWORKING_EXTERN_MAC_BUFFER_SIZE; // typically == 9240

    // ensure that we allocate 32-bit aligned memory, and mark it non-cacheable
-    uint32_t size = 2;
+    uint32_t size = 1;
    uint8_t rasr = 0;
    // find size closest to power of 2
    while (size < total_size) {