Public bug reported:

DKMS make.log for bcmwl-6.30.223.271+bdcom for kernel 5.8.0-34-generic (x86_64)
joi 7 ianuarie 2021, 19:24:12 +0200
make: Entering directory '/usr/src/linux-headers-5.8.0-34-generic'
CFG80211 API is prefered for this kernel version
Using CFG80211 API
  AR      /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/built-in.a
  CC [M]  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.o
  CC [M]  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.o
  CC [M]  /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_iw.o
  CC [M]  
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_cfg80211_hybrid.o
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c: In 
function ‘osl_reg_map’:
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:949:10: 
error: implicit declaration of function ‘iore>
  949 |  return (ioremap_nocache((unsigned long)pa, (unsigned long)size));
      |          ^~~~~~~~~~~~~~~
      |          ioremap_cache
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.c:949:10: 
warning: returning ‘int’ from a function with>
  949 |  return (ioremap_nocache((unsigned long)pa, (unsigned long)size));
      |         ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c: In function 
‘wl_attach’:
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:593:20: 
error: implicit declaration of function ‘iorem>
  593 |  if ((wl->regsva = ioremap_nocache(dev->base_addr, PCI_BAR0_WINSZ)) == 
NULL) {
      |                    ^~~~~~~~~~~~~~~
      |                    ioremap_cache
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:593:18: 
warning: assignment to ‘void *’ from ‘int’ mak>
  593 |  if ((wl->regsva = ioremap_nocache(dev->base_addr, PCI_BAR0_WINSZ)) == 
NULL) {
      |                  ^
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c: In function 
‘wl_pci_probe’:
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:780:2: 
warning: this ‘if’ clause does not guard... [-W>
  780 |  if ((val & 0x0000ff00) != 0)
      |  ^~
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:782:3: note: 
...this statement, but the latter is misl>
  782 |   bar1_size = pci_resource_len(pdev, 2);
      |   ^~~~~~~~~
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:783:15: 
warning: cast to pointer from integer of diffe>
  783 |   bar1_addr = (uchar *)ioremap_nocache(pci_resource_start(pdev, 2),
      |               ^
In file included from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_cfg80211_hybrid.c:40:
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_cfg80211_hybrid.c: 
In function ‘wl_set_auth_type’:
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_cfg80211_hybrid.h:52:5:
 warning: this statement may fall throu>
   52 |  if (wl_dbg_level & WL_DBG_DBG) {   \
      |     ^
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_cfg80211_hybrid.c:816:3:
 note: in expansion of macro ‘WL_DBG’
  816 |   WL_DBG(("network eap\n"));
      |   ^~~~~~
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_cfg80211_hybrid.c:817:2:
 note: here
  817 |  default:
      |  ^~~~~~~
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c: In function 
‘wl_reg_proc_entry’:
  817 |  default:
      |  ^~~~~~~
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c: In function 
‘wl_reg_proc_entry’:
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:3376:58: 
error: passing argument 4 of ‘proc_create_dat>
 3376 |  if ((wl->proc_entry = proc_create_data(tmp, 0644, NULL, &wl_fops, wl)) 
== NULL) {
      |                                                          ^~~~~~~~
      |                                                          |
      |                                                          const struct 
file_operations *
In file included from 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.c:38:
./include/linux/proc_fs.h:102:31: note: expected ‘const struct proc_ops *’ but 
argument is of type ‘const struct file_ope>
  102 | extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
      |                               ^~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[1]: *** [scripts/Makefile.build:288: 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/shared/linux_osl.o] Error 1
make[1]: *** Waiting for unfinished jobs....
cc1: some warnings being treated as errors
make[1]: *** [scripts/Makefile.build:288: 
/var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/src/wl/sys/wl_linux.o] Error 1
make: *** [Makefile:1780: /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build] Error 2
make: Leaving directory '/usr/src/linux-headers-5.8.0-34-generic'

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: bcmwl-kernel-source 6.30.223.271+bdcom-0ubuntu5
ProcVersionSignature: Ubuntu 5.8.0-34.37~20.04.2-generic 5.8.18
Uname: Linux 5.8.0-34-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Jan  7 19:24:19 2021
InstallationDate: Installed on 2020-11-19 (49 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: bcmwl (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

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https://bugs.launchpad.net/bugs/1910572

Title:
  Ugprading to 5.8.0-34-generic kernel broke wifi (BCM4352 802.11ac
  Wireless Network Adapter [14e4:43b1] (rev 03))

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