Re: [PATCH v6 3/5] net: ax88796c: ASIX AX88796C SPI Ethernet Adapter Driver

On Mon, 16 Nov 2020 16:33:26 +0100 Lukasz Stelmach wrote:

quoted

Please make sure the new code builds cleanly with W=1 C=1

../drivers/net/ethernet/asix/ax88796c_ioctl.c:221:19: warning: initialized field overwritten [-Woverride-init]
  221 |  .get_msglevel  = ax88796c_ethtool_getmsglevel,
      |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/asix/ax88796c_ioctl.c:221:19: note: (near initialization for ‘ax88796c_ethtool_ops.get_msglevel’)
../drivers/net/ethernet/asix/ax88796c_ioctl.c:222:19: warning: initialized field overwritten [-Woverride-init]
  222 |  .set_msglevel  = ax88796c_ethtool_setmsglevel,
      |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/asix/ax88796c_ioctl.c:222:19: note: (near initialization for ‘ax88796c_ethtool_ops.set_msglevel’)
In file included from ../drivers/net/ethernet/asix/ax88796c_main.h:15,
                 from ../drivers/net/ethernet/asix/ax88796c_ioctl.c:16:
../drivers/net/ethernet/asix/ax88796c_spi.h:25:17: warning: ‘tx_cmd_buf’ defined but not used [-Wunused-const-variable=]
   25 | static const u8 tx_cmd_buf[4] = {AX_SPICMD_WRITE_TXQ, 0xFF, 0xFF, 0xFF};
      |                 ^~~~~~~~~~  

I fixed the problems reported by W=1, but I am afraid I can't do
anything about C=1. sparse is is reporting

[...]
./include/linux/atomic-fallback.h:266:16: error: Expected ; at end ofdeclaration
./include/linux/atomic-fallback.h:266:16: error: got ret
./include/linux/atomic-fallback.h:267:1: error: Expected ; at the end of type declaration
./include/linux/atomic-fallback.h:267:1: error: too many errors
Segmentation fault

in the headers and gets killed.

That's fine, sparse is wobbly at times, thanks!