The current checkpatch test for split strings does
not find several cases that should be found.
For instance:
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c
b/drivers/net/wireless/iwlwifi/mvm/rs.c
[]
@@ -1868,7 +1865,8 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm,
/* Else poor success; go back to mode in "active" table */
} else {
IWL_DEBUG_RATE(mvm,
- "LQ: GOING BACK TO THE OLD TABLE suc=%d
cur-tpt=%d old-tpt=%d\n",
+ "GOING BACK TO THE OLD TABLE: SR %d "
+ "cur-tpt %d old-tpt %d\n",
window->success_ratio,
window->average_tpt,
lq_sta->last_tpt);
does not currently emit a warning.
Improve the test to find these cases.
Add more exceptions to reduce false positives for
assembly and octal/hex string constants.
Signed-off-by: Joe Perches <j...@perches.com>
---
scripts/checkpatch.pl | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 38be5d5..1d0d5ac 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2049,16 +2049,12 @@ sub process {
}
# Check for user-visible strings broken across lines, which breaks the ability
-# to grep for the string. Limited to strings used as parameters (those
-# following an open parenthesis), which almost completely eliminates false
-# positives, as well as warning only once per parameter rather than once per
-# line of the string. Make an exception when the previous string ends in a
-# newline (multiple lines in one string constant) or \n\t (common in inline
-# assembly to indent the instruction on the following line).
+# to grep for the string. Make exceptions when the previous string ends in a
+# newline (multiple lines in one string constant) or '\t', '\r', ';', or '{'
+# (common in inline assembly) or is a octal \123 or hexadecimal \xaf value
if ($line =~ /^\+\s*"/ &&
$prevline =~ /"\s*$/ &&
- $prevline =~ /\(/ &&
- $prevrawline !~ /\\n(?:\\t)*"\s*$/) {
+ $prevrawline !~
/(?:\\(?:[ntr]|[0-7]{1,3}|x[0-9a-fA-F]{1,2})|;\s*|\{\s*)"\s*$/) {
WARN("SPLIT_STRING",
"quoted string split across lines\n" . $hereprev);
}
--
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