The patch titled
Subject: checkpatch.pl: warn against using %Z
has been added to the -mm tree. Its filename is
checkpatchpl-warn-against-using-%z.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/checkpatchpl-warn-against-using-%25z.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/checkpatchpl-warn-against-using-%25z.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
there every 3-4 working days
------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: checkpatch.pl: warn against using %Z
%Z is going to be removed in favour of %z.
Link: http://lkml.kernel.org/r/20170109235955.GA6787@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN scripts/checkpatch.pl~checkpatchpl-warn-against-using-%z scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatchpl-warn-against-using-%z
+++ a/scripts/checkpatch.pl
@@ -5207,6 +5207,12 @@ sub process {
"\%Ld/%Lu are not-standard C, use %lld/%llu\n" . $herecurr);
last;
}
+ # check for %Z
+ if ($string =~ /(?<!%)%[\*\d\.\$]*Z[diouxX]/) {
+ WARN("PRINTF_Z",
+ "%Z is non-standard C, use %z\n" . $herecurr);
+ last;
+ }
if ($string =~ /0x%[\*\d\.\$\Llzth]*[udi]/) {
ERROR("PRINTF_0xDECIMAL",
"Prefixing 0x with decimal output is defective\n" . $herecurr);
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
proc-less-code-duplication-in-proc-cmdline.patch
lib-vsprintfc-remove-%z-support.patch
checkpatchpl-warn-against-using-%z.patch
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