On 12/26/17 10:26, Stephen Morris wrote: > Having just done a system upgrade, the upgrade has upgraded the kernel from > 4.13.16-300 to 4.14.7-300, consequently I no longer have wifi access. > > Manually compiling the driver for 4.14.7-300 produces the following warnings: > > WARNING: "__vfs_read" [/usr/src/rtl8814au-5.1.5/8814au.ko] undefined! > WARNING: "vfs_read" [/usr/src/rtl8814au-5.1.5/8814au.ko] undefined! > > A subsequent insmod 8814au or modprobe 8814au does not load the driver because of > an undefined symbol, but does not specify what the symbol is. My assumption it is > because of the above warnings. > > Having done a search through the headers for kernel 4.14.7-300 I have found that > include file fs.h has the definitions for __vfs_read and vfs_read. > > In the driver include file osdep_service_linux.h I found the following statements: > > #ifdef CONFIG_EFUSE_CONFIG_FILE > #include <linux/fs.h> > #endif > > In an attempt to fix the warnings I did and explicit #include <linux/fs.h>, and > recompiled the driver source but doing this did not resolve the warnings. > > Does anyone know what I need to do to resolve the warnings and hence make the > driver kernel loadable? From where did you obtain the driver? I don't have the HW to test on, but https://github.com/zebulon2/rtl8814au seems to compile just fine. It also has a note from 13 days ago about "Fix a compilation error on kernel v4.14 and later" -- Fedora Users List - The place to go to speculate endlessly
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