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Fix cmp::max/min mixup in 8491394a.

This commit is contained in:
whitequark 2018-01-29 07:43:25 +00:00
parent 724221c643
commit dcb5321e82
1 changed files with 2 additions and 2 deletions
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4
firmware/src/ethmac.rs
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@ -303,7 +303,7 @@ impl DeviceInner {
unsafe fn rx_buf_as_slice<'a>(&self) -> &'a [u8] {
let len = (self.rx_desc_buf[self.rx_cur_desc + 0] & EMAC_RDES0_FL) >> 16;
let len = cmp::max(len as usize, ETH_RX_BUFFER_SIZE);
let len = cmp::min(len as usize, ETH_RX_BUFFER_SIZE);
let addr = self.rx_desc_buf[self.rx_cur_desc + 2] as *const u8;
slice::from_raw_parts(addr, len)
}
@ -325,7 +325,7 @@ impl DeviceInner {
}
unsafe fn tx_buf_as_slice<'a>(&mut self, len: usize) -> &'a mut [u8] {
let len = cmp::max(len, ETH_TX_BUFFER_SIZE);
let len = cmp::min(len, ETH_TX_BUFFER_SIZE);
self.tx_desc_buf[self.tx_cur_desc + 1] = len as u32;
let addr = self.tx_desc_buf[self.tx_cur_desc + 2] as *mut u8;
slice::from_raw_parts_mut(addr, len)