david.venhoff/QEMU-Nyx-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/cadence_gem: Don't assert against 0 buffer address

Browse Source 
This has no real hardware analog and asserting correctness of DMA
addresses is not a perhiperal level problem. Delete.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: fc02417eb1874cb05e4f20531c6203c5a00110f1.1386136219.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Crosthwaite 2013-12-03 21:55:40 -08:00 committed by Peter Maydell
parent 3b2c97f991
commit 11785f5352
1 changed files with 0 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
hw/net/cadence_gem.c
View File

@ -688,15 +688,6 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size)
DB_PRINT("copy %d bytes to 0x%x\n", MIN(bytes_to_copy, rxbufsize), DB_PRINT("copy %d bytes to 0x%x\n", MIN(bytes_to_copy, rxbufsize),
rx_desc_get_buffer(desc)); rx_desc_get_buffer(desc));
/*
* Let's have QEMU lend a helping hand.
*/
if (rx_desc_get_buffer(desc) == 0) {
DB_PRINT("Invalid RX buffer (NULL) for descriptor 0x%x\n",
(unsigned)packet_desc_addr);
break;
}
/* Copy packet data to emulated DMA buffer */ /* Copy packet data to emulated DMA buffer */
cpu_physical_memory_write(rx_desc_get_buffer(desc) + rxbuf_offset, cpu_physical_memory_write(rx_desc_get_buffer(desc) + rxbuf_offset,
rxbuf_ptr, MIN(bytes_to_copy, rxbufsize)); rxbuf_ptr, MIN(bytes_to_copy, rxbufsize));