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?
regards,
Steve
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