The patch titled
Subject: checkpatch: check usleep_range() arguments
has been added to the -mm tree. Its filename is
checkpatch-check-usleep_range-arguments.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Joe Perches <joe@xxxxxxxxxxx>
Subject: checkpatch: check usleep_range() arguments
usleep_range() shouldn't use the same args for min and max.
Report it when it happens and when both args are decimal and min > max.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Cc: Yuval Mintz <yuvalmin@xxxxxxxxxxxx>
Cc: Andy Whitcroft <apw@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff -puN scripts/checkpatch.pl~checkpatch-check-usleep_range-arguments scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-check-usleep_range-arguments
+++ a/scripts/checkpatch.pl
@@ -3313,6 +3313,22 @@ sub process {
}
}
+# check usleep_range arguments
+ if ($^V && $^V ge 5.10.0 &&
+ defined $stat &&
+ $stat =~ /^\+(?:.*?)\busleep_range\s*\(\s*($FuncArg)\s*,\s*($FuncArg)\s*\)/) {
+ my $min = $1;
+ my $max = $7;
+ if ($min eq $max) {
+ WARN("USLEEP_RANGE",
+ "usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n");
+ } elsif ($min =~ /^\d+$/ && $max =~ /^\d+$/ &&
+ $min > $max) {
+ WARN("USLEEP_RANGE",
+ "usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n");
+ }
+ }
+
# check for new externs in .c files.
if ($realfile =~ /\.c$/ && defined $stat &&
$stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
_
Subject: Subject: checkpatch: check usleep_range() arguments
Patches currently in -mm which might be from joe@xxxxxxxxxxx are
origin.patch
linux-next.patch
printk-add-generic-functions-to-find-kern_level-headers.patch
printk-add-kern_levelsh-to-make-kern_level-available-for-asm-use.patch
arch-remove-direct-definitions-of-kern_level-uses.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout-fix.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout-checkpatch-fixes.patch
sound-use-printk_get_level-and-printk_skip_level.patch
printk-convert-the-format-for-kern_level-to-a-2-byte-pattern.patch
printk-only-look-for-prefix-levels-in-kernel-messages.patch
printk-remove-the-now-unnecessary-c-annotation-for-kern_cont.patch
vsprintf-add-%pmr-for-bluetooth-mac-address.patch
vsprintf-add-%pmr-for-bluetooth-mac-address-fix.patch
checkpatch-update-alignment-check.patch
checkpatch-test-for-non-standard-signatures.patch
checkpatch-check-usleep_range-arguments.patch
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