X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=scripts%2Fcheckpatch.pl;h=d12435992dea9d9910a007ec0bfd48e0230a26cd;hb=fe7f9ed98dad611ceaf17403f1c5bfd016eadcaa;hp=059c032d8882c12fff84de65a505ae525e1d45d4;hpb=f8e58219dc58cce633697fe15e6c5597bedb296b;p=firefly-linux-kernel-4.4.55.git

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 059c032d8882..d12435992dea 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2170,6 +2170,13 @@ sub process {
 			}
 		}
 
+# Check email subject for common tools that don't need to be mentioned
+		if ($in_header_lines &&
+		    $line =~ /^Subject:.*\b(?:checkpatch|sparse|smatch)\b[^:]/i) {
+			WARN("EMAIL_SUBJECT",
+			     "A patch subject line should describe the change not the tool that found it\n" . $herecurr);
+		}
+
 # Check for old stable address
 		if ($line =~ /^\s*cc:\s*.*<?\bstable\@kernel\.org\b>?.*$/i) {
 			ERROR("STABLE_ADDRESS",
@@ -2191,6 +2198,7 @@ sub process {
 			my $case = 1;
 			my $space = 1;
 			my $hasdesc = 0;
+			my $hasparens = 0;
 			my $id = '0123456789ab';
 			my $orig_desc = "commit description";
 			my $description = "";
@@ -2201,10 +2209,12 @@ sub process {
 			$case = 0 if ($line =~ /\b[Cc]ommit\s+[0-9a-f]{5,40}[^A-F]/);
 			if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)"\)/i) {
 				$orig_desc = $1;
+				$hasparens = 1;
 			} elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s*$/i &&
 				 defined $rawlines[$linenr] &&
 				 $rawlines[$linenr] =~ /^\s*\("([^"]+)"\)/) {
 				$orig_desc = $1;
+				$hasparens = 1;
 			} elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("[^"]+$/i &&
 				 defined $rawlines[$linenr] &&
 				 $rawlines[$linenr] =~ /^\s*[^"]+"\)/) {
@@ -2212,12 +2222,13 @@ sub process {
 				$orig_desc = $1;
 				$rawlines[$linenr] =~ /^\s*([^"]+)"\)/;
 				$orig_desc .= " " . $1;
+				$hasparens = 1;
 			}
 
 			($id, $description) = git_commit_info($orig_commit,
 							      $id, $orig_desc);
 
-			if ($short || $long || $space || $case || ($orig_desc ne $description)) {
+			if ($short || $long || $space || $case || ($orig_desc ne $description) || !$hasparens) {
 				ERROR("GIT_COMMIT_ID",
 				      "Please use git commit description style 'commit <12+ chars of sha1> (\"<title line>\")' - ie: '${init_char}ommit $id (\"$description\")'\n" . $herecurr);
 			}
@@ -2541,7 +2552,7 @@ sub process {
 			}
 		}
 
-		if ($line =~ /^\+.*(\w+\s*)?\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|[,;\({\[\<\>])/ &&
+		if ($line =~ /^\+.*(\w+\s*)?\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|[,;:\?\(\{\}\[\<\>]|&&|\|\||\\$)/ &&
 		    (!defined($1) || $1 !~ /sizeof\s*/)) {
 			if (CHK("SPACING",
 				"No space is necessary after a cast\n" . $herecurr) &&
@@ -3243,7 +3254,7 @@ sub process {
 # check for uses of printk_ratelimit
 		if ($line =~ /\bprintk_ratelimit\s*\(/) {
 			WARN("PRINTK_RATELIMITED",
-"Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit\n" . $herecurr);
+			     "Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit\n" . $herecurr);
 		}
 
 # printk should use KERN_* levels.  Note that follow on printk's on the
@@ -3689,7 +3700,22 @@ sub process {
 					 $op eq '*' or $op eq '/' or
 					 $op eq '%')
 				{
-					if ($ctx =~ /Wx[^WCE]|[^WCE]xW/) {
+					if ($check) {
+						if (defined $fix_elements[$n + 2] && $ctx !~ /[EW]x[EW]/) {
+							if (CHK("SPACING",
+								"spaces preferred around that '$op' $at\n" . $hereptr)) {
+								$good = rtrim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " ";
+								$fix_elements[$n + 2] =~ s/^\s+//;
+								$line_fixed = 1;
+							}
+						} elsif (!defined $fix_elements[$n + 2] && $ctx !~ /Wx[OE]/) {
+							if (CHK("SPACING",
+								"space preferred before that '$op' $at\n" . $hereptr)) {
+								$good = rtrim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]);
+								$line_fixed = 1;
+							}
+						}
+					} elsif ($ctx =~ /Wx[^WCE]|[^WCE]xW/) {
 						if (ERROR("SPACING",
 							  "need consistent spacing around '$op' $at\n" . $hereptr)) {
 							$good = rtrim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " ";
@@ -4854,7 +4880,8 @@ sub process {
 # check for seq_printf uses that could be seq_puts
 		if ($sline =~ /\bseq_printf\s*\(.*"\s*\)\s*;\s*$/) {
 			my $fmt = get_quoted_string($line, $rawline);
-			if ($fmt ne "" && $fmt !~ /[^\\]\%/) {
+			$fmt =~ s/%%//g;
+			if ($fmt !~ /%/) {
 				if (WARN("PREFER_SEQ_PUTS",
 					 "Prefer seq_puts to seq_printf\n" . $herecurr) &&
 				    $fix) {
@@ -5196,8 +5223,9 @@ sub process {
 			     "please use device_initcall() or more appropriate function instead of __initcall() (see include/linux/init.h)\n" . $herecurr);
 		}
 
-# check for various ops structs, ensure they are const.
-		my $struct_ops = qr{acpi_dock_ops|
+# check for various structs that are normally const (ops, kgdb, device_tree)
+		my $const_structs = qr{
+				acpi_dock_ops|
 				address_space_operations|
 				backlight_ops|
 				block_device_operations|
@@ -5220,6 +5248,7 @@ sub process {
 				mtrr_ops|
 				neigh_ops|
 				nlmsvc_binding|
+				of_device_id|
 				pci_raw_ops|
 				pipe_buf_operations|
 				platform_hibernation_ops|
@@ -5235,7 +5264,7 @@ sub process {
 				usb_mon_operations|
 				wd_ops}x;
 		if ($line !~ /\bconst\b/ &&
-		    $line =~ /\bstruct\s+($struct_ops)\b/) {
+		    $line =~ /\bstruct\s+($const_structs)\b/) {
 			WARN("CONST_STRUCT",
 			     "struct $1 should normally be const\n" .
 				$herecurr);