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-rwxr-xr-xscripts/checkpatch.pl6
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 12db1483e6c2..289d61303cfc 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5208,6 +5208,12 @@ 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);