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checkpatch: printks always need a KERN_<LEVEL>

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There was code in checkpatch that allowed continuation printks to be
used without KERN_CONT.  Remove the continuation check and always
require a KERN_<LEVEL>.

Link: http://lkml.kernel.org/r/61980ef41d5b9b6543da1c49055042e0ab74d308.1507047008.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2017-11-17 15:28:41 -08:00 committed by Linus Torvalds
parent 258f79d5a1
commit eeef5733e3
1 changed files with 4 additions and 22 deletions
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26
scripts/checkpatch.pl
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@ -3829,28 +3829,10 @@ sub process {
"Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit\n" . $herecurr);
}
# printk should use KERN_* levels. Note that follow on printk's on the
# same line do not need a level, so we use the current block context
# to try and find and validate the current printk. In summary the current
# printk includes all preceding printk's which have no newline on the end.
# we assume the first bad printk is the one to report.
if ($line =~ /\bprintk\((?!KERN_)\s*"/) {
my $ok = 0;
for (my $ln = $linenr - 1; $ln >= $first_line; $ln--) {
#print "CHECK<$lines[$ln - 1]\n";
# we have a preceding printk if it ends
# with "\n" ignore it, else it is to blame
if ($lines[$ln - 1] =~ m{\bprintk\(}) {
if ($rawlines[$ln - 1] !~ m{\\n"}) {
$ok = 1;
}
last;
}
}
if ($ok == 0) {
WARN("PRINTK_WITHOUT_KERN_LEVEL",
"printk() should include KERN_ facility level\n" . $herecurr);
}
# printk should use KERN_* levels
if ($line =~ /\bprintk\s*\(\s*(?!KERN_[A-Z]+\b)/) {
WARN("PRINTK_WITHOUT_KERN_LEVEL",
"printk() should include KERN_<LEVEL> facility level\n" . $herecurr);
}
if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) {