*** This bug is a duplicate of bug 1757008 ***
    https://bugs.launchpad.net/bugs/1757008

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1757008, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.


** This bug has been marked a duplicate of bug 1757008
   Broadcom wireless drivers failed to build [error: implicit declaration of 
function ‘init_timer’]

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https://bugs.launchpad.net/bugs/1778097

Title:
  bcmwl-kernel-source not working with linux-image-4.15.0-24-generic

Status in bcmwl package in Ubuntu:
  Confirmed

Bug description:
  Updated to linux-image-4.15.0-24-generic in my Ubuntu 16.04 LTS 64
  bits and wireless stopped working, as if not present, but installed.

  Log file /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/make.log showed:

  DKMS make.log for bcmwl-6.30.223.271+bdcom for kernel 4.15.0-24-generic 
(x86_64)
  mar 19 jun 20:06:46 CST 2018
  make: se entra en el directorio '/usr/src/linux-headers-4.15.0-24-generic'
  CFG80211 API is prefered for this kernel version
  Using CFG80211 API
    CC [M]  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.o
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c: In 
function ‘osl_os_get_image_block’:
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:1083:26: 
warning: passing argument 2 of ‘kernel_read’ makes pointer from integer without 
a cast [-Wint-conversion]
    rdlen = kernel_read(fp, fp->f_pos, buf, len);
                            ^
  In file included from ./include/linux/huge_mm.h:7:0,
                   from ./include/linux/mm.h:463,
                   from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/include/linuxver.h:65,
                   from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:25:
  ./include/linux/fs.h:2858:16: note: expected ‘void *’ but argument is of type 
‘loff_t {aka long long int}’
   extern ssize_t kernel_read(struct file *, void *, size_t, loff_t *);
                  ^
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:1083:37: 
warning: passing argument 3 of ‘kernel_read’ makes integer from pointer without 
a cast [-Wint-conversion]
    rdlen = kernel_read(fp, fp->f_pos, buf, len);
                                       ^
  In file included from ./include/linux/huge_mm.h:7:0,
                   from ./include/linux/mm.h:463,
                   from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/include/linuxver.h:65,
                   from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:25:
  ./include/linux/fs.h:2858:16: note: expected ‘size_t {aka long unsigned int}’ 
but argument is of type ‘char *’
   extern ssize_t kernel_read(struct file *, void *, size_t, loff_t *);
                  ^
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:1083:42: 
warning: passing argument 4 of ‘kernel_read’ makes pointer from integer without 
a cast [-Wint-conversion]
    rdlen = kernel_read(fp, fp->f_pos, buf, len);
                                            ^
  In file included from ./include/linux/huge_mm.h:7:0,
                   from ./include/linux/mm.h:463,
                   from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/include/linuxver.h:65,
                   from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:25:
  ./include/linux/fs.h:2858:16: note: expected ‘loff_t * {aka long long int *}’ 
but argument is of type ‘int’
   extern ssize_t kernel_read(struct file *, void *, size_t, loff_t *);
                  ^
  symbolmap: la: invalid section
    CC [M]  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.o
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c: In 
function ‘wl_init_timer’:
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:2359:2: 
error: implicit declaration of function ‘init_timer’ 
[-Werror=implicit-function-declaration]
    init_timer(&t->timer);
    ^
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:2360:10: 
error: ‘struct timer_list’ has no member named ‘data’
    t->timer.data = (ulong) t;
            ^
  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:2361:20: 
error: assignment from incompatible pointer type 
[-Werror=incompatible-pointer-types]
    t->timer.function = wl_timer;
                      ^
  cc1: some warnings being treated as errors
  scripts/Makefile.build:332: fallo en las instrucciones para el objetivo 
'/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.o'
  make[1]: *** 
[/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.o] Error 1
  Makefile:1552: fallo en las instrucciones para el objetivo 
'_module_/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build'
  make: *** [_module_/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build] Error 2
  make: se sale del directorio '/usr/src/linux-headers-4.15.0-24-generic'


  Installing the bcmwl package process:

  Leyendo lista de paquetes... Hecho
  Creando árbol de dependencias       
  Leyendo la información de estado... Hecho
  Se instalarán los siguientes paquetes NUEVOS:
    bcmwl-kernel-source
  0 actualizados, 1 nuevos se instalarán, 0 para eliminar y 0 no actualizados.
  Se necesita descargar 0 B/1 544 kB de archivos.
  Se utilizarán 8 064 kB de espacio de disco adicional después de esta 
operación.
  Seleccionando el paquete bcmwl-kernel-source previamente no seleccionado.
  (Leyendo la base de datos ... 1238639 ficheros o directorios instalados 
actualmente.)
  Preparando para desempaquetar 
.../bcmwl-kernel-source_6.30.223.271+bdcom-0ubuntu1~1.2_amd64.deb ...
  Desempaquetando bcmwl-kernel-source (6.30.223.271+bdcom-0ubuntu1~1.2) ...
  Configurando bcmwl-kernel-source (6.30.223.271+bdcom-0ubuntu1~1.2) ...
  Loading new bcmwl-6.30.223.271+bdcom DKMS files...
  First Installation: checking all kernels...
  Building only for 4.15.0-24-generic
  Building for architecture x86_64
  Building initial module for 4.15.0-24-generic
  ERROR: Cannot create report: [Errno 17] File exists: 
'/var/crash/bcmwl-kernel-source.0.crash'
  Error! Bad return status for module build on kernel: 4.15.0-24-generic 
(x86_64)
  Consult /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/make.log for more 
information.
  modprobe: ERROR: ../libkmod/libkmod-module.c:832 kmod_module_insert_module() 
could not find module by name='wl'
  modprobe: ERROR: could not insert 'wl': Unknown symbol in module, or unknown 
parameter (see dmesg)
  modprobe: ERROR: ../libkmod/libkmod-module.c:977 command_do() Error running 
install command for wl
  modprobe: ERROR: could not insert 'wl': Operation not permitted
  update-initramfs: deferring update (trigger activated)
  Procesando disparadores para initramfs-tools (0.122ubuntu8.11) ...
  update-initramfs: Generating /boot/initrd.img-4.15.0-24-generic

  
  Tried some versions of bcmwl, no one worked, switched to 
linux-image-4.15.0-23-generic and it worked, can't find a way to make it work 
in -24 version

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