Merge branch 'akpm' (patches from Andrew)

Merge more updates from Andrew Morton:
 "Various misc subsystems, before getting into the post-linux-next
  material.

  41 patches.

  Subsystems affected by this patch series: procfs, misc, core-kernel,
  lib, checkpatch, init, pipe, minix, fat, cgroups, kexec, kdump,
  taskstats, panic, kcov, resource, and ubsan"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (41 commits)
  Revert "ubsan, kcsan: Don't combine sanitizer with kcov on clang"
  kernel/resource: fix kfree() of bootmem memory again
  kcov: properly handle subsequent mmap calls
  kcov: split ioctl handling into locked and unlocked parts
  panic: move panic_print before kmsg dumpers
  panic: add option to dump all CPUs backtraces in panic_print
  docs: sysctl/kernel: add missing bit to panic_print
  taskstats: remove unneeded dead assignment
  kasan: no need to unset panic_on_warn in end_report()
  ubsan: no need to unset panic_on_warn in ubsan_epilogue()
  panic: unset panic_on_warn inside panic()
  docs: kdump: add scp example to write out the dump file
  docs: kdump: update description about sysfs file system support
  arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  x86/setup: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  kexec: make crashk_res, crashk_low_res and crash_notes symbols always visible
  cgroup: use irqsave in cgroup_rstat_flush_locked().
  fat: use pointer to simple type in put_user()
  minix: fix bug when opening a file with O_DIRECT
  ...

1 files changed, 26 insertions, 5 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b01c36a15d9d..577e02998701 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -334,7 +334,7 @@ if ($user_codespellfile) {
 } elsif (!(-f $codespellfile)) {
 	# If /usr/share/codespell/dictionary.txt is not present, try to find it
 	# under codespell's install directory: <codespell_root>/data/dictionary.txt
-	if (($codespell || $help) && which("codespell") ne "" && which("python") ne "") {
+	if (($codespell || $help) && which("python3") ne "") {
 		my $python_codespell_dict = << "EOF";
 
 import os.path as op
@@ -344,7 +344,7 @@ codespell_file = op.join(codespell_dir, 'data', 'dictionary.txt')
 print(codespell_file, end='')
 EOF
 
-		my $codespell_dict = `python -c "$python_codespell_dict" 2> /dev/null`;
+		my $codespell_dict = `python3 -c "$python_codespell_dict" 2> /dev/null`;
 		$codespellfile = $codespell_dict if (-f $codespell_dict);
 	}
 }
@@ -3926,7 +3926,7 @@ sub process {
 		if ($prevline =~ /^[\+ ]};?\s*$/ &&
 		    $line =~ /^\+/ &&
 		    !($line =~ /^\+\s*$/ ||
-		      $line =~ /^\+\s*EXPORT_SYMBOL/ ||
+		      $line =~ /^\+\s*(?:EXPORT_SYMBOL|early_param)/ ||
 		      $line =~ /^\+\s*MODULE_/i ||
 		      $line =~ /^\+\s*\#\s*(?:end|elif|else)/ ||
 		      $line =~ /^\+[a-z_]*init/ ||
@@ -5551,6 +5551,7 @@ sub process {
 		    defined($stat) && defined($cond) &&
 		    $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
 			my ($s, $c) = ($stat, $cond);
+			my $fixed_assign_in_if = 0;
 
 			if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s) {
 				if (ERROR("ASSIGN_IN_IF",
@@ -5575,6 +5576,7 @@ sub process {
 						$newline .= ')';
 						$newline .= " {" if (defined($brace));
 						fix_insert_line($fixlinenr + 1, $newline);
+						$fixed_assign_in_if = 1;
 					}
 				}
 			}
@@ -5598,8 +5600,20 @@ sub process {
 					$stat_real = "[...]\n$stat_real";
 				}
 
-				ERROR("TRAILING_STATEMENTS",
-				      "trailing statements should be on next line\n" . $herecurr . $stat_real);
+				if (ERROR("TRAILING_STATEMENTS",
+					  "trailing statements should be on next line\n" . $herecurr . $stat_real) &&
+				    !$fixed_assign_in_if &&
+				    $cond_lines == 0 &&
+				    $fix && $perl_version_ok &&
+				    $fixed[$fixlinenr] =~ /^\+(\s*)((?:if|while|for)\s*$balanced_parens)\s*(.*)$/) {
+					my $indent = $1;
+					my $test = $2;
+					my $rest = rtrim($4);
+					if ($rest =~ /;$/) {
+						$fixed[$fixlinenr] = "\+$indent$test";
+						fix_insert_line($fixlinenr + 1, "$indent\t$rest");
+					}
+				}
 			}
 		}
 
@@ -7418,6 +7432,13 @@ sub process {
 				WARN("MODULE_LICENSE",
 				     "unknown module license " . $extracted_string . "\n" . $herecurr);
 			}
+			if (!$file && $extracted_string eq '"GPL v2"') {
+				if (WARN("MODULE_LICENSE",
+				     "Prefer \"GPL\" over \"GPL v2\" - see commit bf7fbeeae6db (\"module: Cure the MODULE_LICENSE \"GPL\" vs. \"GPL v2\" bogosity\")\n" . $herecurr) &&
+				    $fix) {
+					$fixed[$fixlinenr] =~ s/\bMODULE_LICENSE\s*\(\s*"GPL v2"\s*\)/MODULE_LICENSE("GPL")/;
+				}
+			}
 		}
 
 # check for sysctl duplicate constants