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Fix for dcd_synopsys driver integer overflow in HS mode (issue #968).

This commit is contained in:
Ben Evans 2021-07-19 17:45:12 +10:00
parent 21bfd11683
commit cee980c598
1 changed files with 2 additions and 2 deletions
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4
src/portable/st/synopsys/dcd_synopsys.c
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@ -656,7 +656,7 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
}
uint16_t num_packets = (total_bytes / xfer->max_size);
uint8_t const short_packet_size = total_bytes % xfer->max_size;
uint16_t const short_packet_size = total_bytes % xfer->max_size;
// Zero-size packet is special case.
if(short_packet_size > 0 || (total_bytes == 0)) {
@ -687,7 +687,7 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
xfer->total_len = total_bytes;
uint16_t num_packets = (total_bytes / xfer->max_size);
uint8_t const short_packet_size = total_bytes % xfer->max_size;
uint16_t const short_packet_size = total_bytes % xfer->max_size;
// Zero-size packet is special case.
if(short_packet_size > 0 || (total_bytes == 0)) num_packets++;