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Merge pull request #969 from BennyEvans/master

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Fix for dcd_synopsys driver integer overflow in HS mode (issue #968).
This commit is contained in:
Ha Thach
2021-07-19 16:22:53 +07:00
committed by GitHub
parent 21bfd11683 cee980c598
commit ecd217d163
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++;