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-rwxr-xr-xscripts/checkpatch.pl27
1 files changed, 24 insertions, 3 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 17e1d94fa1fa..19690a2ddb74 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1051,6 +1051,7 @@ sub process {
1051 1051
1052 # suppression flags 1052 # suppression flags
1053 my %suppress_ifbraces; 1053 my %suppress_ifbraces;
1054 my %suppress_whiletrailers;
1054 1055
1055 # Pre-scan the patch sanitizing the lines. 1056 # Pre-scan the patch sanitizing the lines.
1056 # Pre-scan the patch looking for any __setup documentation. 1057 # Pre-scan the patch looking for any __setup documentation.
@@ -1156,6 +1157,7 @@ sub process {
1156 $prev_values = 'E'; 1157 $prev_values = 'E';
1157 1158
1158 %suppress_ifbraces = (); 1159 %suppress_ifbraces = ();
1160 %suppress_whiletrailers = ();
1159 next; 1161 next;
1160 1162
1161# track the line number as we move through the hunk, note that 1163# track the line number as we move through the hunk, note that
@@ -1301,9 +1303,9 @@ sub process {
1301 } 1303 }
1302 1304
1303# Check for potential 'bare' types 1305# Check for potential 'bare' types
1304 my ($stat, $cond, $line_nr_next, $remain_next); 1306 my ($stat, $cond, $line_nr_next, $remain_next, $off_next);
1305 if ($realcnt && $line =~ /.\s*\S/) { 1307 if ($realcnt && $line =~ /.\s*\S/) {
1306 ($stat, $cond, $line_nr_next, $remain_next) = 1308 ($stat, $cond, $line_nr_next, $remain_next, $off_next) =
1307 ctx_statement_block($linenr, $realcnt, 0); 1309 ctx_statement_block($linenr, $realcnt, 0);
1308 $stat =~ s/\n./\n /g; 1310 $stat =~ s/\n./\n /g;
1309 $cond =~ s/\n./\n /g; 1311 $cond =~ s/\n./\n /g;
@@ -1952,7 +1954,26 @@ sub process {
1952 1954
1953# Check for illegal assignment in if conditional -- and check for trailing 1955# Check for illegal assignment in if conditional -- and check for trailing
1954# statements after the conditional. 1956# statements after the conditional.
1955 if ($line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) { 1957 if ($line =~ /do\s*(?!{)/) {
1958 my ($stat_next) = ctx_statement_block($line_nr_next,
1959 $remain_next, $off_next);
1960 $stat_next =~ s/\n./\n /g;
1961 ##print "stat<$stat> stat_next<$stat_next>\n";
1962
1963 if ($stat_next =~ /^\s*while\b/) {
1964 # If the statement carries leading newlines,
1965 # then count those as offsets.
1966 my ($whitespace) =
1967 ($stat_next =~ /^((?:\s*\n[+-])*\s*)/s);
1968 my $offset =
1969 statement_rawlines($whitespace) - 1;
1970
1971 $suppress_whiletrailers{$line_nr_next +
1972 $offset} = 1;
1973 }
1974 }
1975 if (!defined $suppress_whiletrailers{$linenr} &&
1976 $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
1956 my ($s, $c) = ($stat, $cond); 1977 my ($s, $c) = ($stat, $cond);
1957 1978
1958 if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/) { 1979 if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/) {