renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-15 16:53:54 +08:00
Code

checkpatch: net and drivers/net: warn on missing blank line after variable declaration

Browse Source 
Networking prefers this style, so warn when it's not used.

Networking uses:

    void foo(int bar)
    {
        int baz;

        code...
   }

not

    void foo(int bar)
    {
        int baz;
        code...
    }

There are a limited number of false positives when using macros to
declare variables like:

  WARNING: networking uses a blank line after declarations
  #330: FILE: net/ipv4/inet_hashtables.c:330:
  +	int dif = sk->sk_bound_dev_if;
  +	INET_ADDR_COOKIE(acookie, saddr, daddr)

Signed-off-by: Joe Perches <joe@perches.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2014-04-03 14:49:28 -07:00 committed by Linus Torvalds
parent cc93319b5f
commit 3b617e3b80
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
scripts/checkpatch.pl
View File

@ -2257,6 +2257,21 @@ sub process {
"networking block comments put the trailing */ on a separate line\n" . $herecurr);
}
# check for missing blank lines after declarations
if ($realfile =~ m@^(drivers/net/|net/)@ &&
$prevline =~ /^\+\s+$Declare\s+$Ident/ &&
!($prevline =~ /(?:$Compare|$Assignment|$Operators)\s*$/ ||
$prevline =~ /(?:\{\s*|\\)$/) && #extended lines
$sline =~ /^\+\s+/ && #Not at char 1
!($sline =~ /^\+\s+$Declare/ ||
$sline =~ /^\+\s+$Ident\s+$Ident/ || #eg: typedef foo
$sline =~ /^\+\s+(?:union|struct|enum|typedef)\b/ ||
$sline =~ /^\+\s+(?:$|[\{\}\.\#\"\?\:\(])/ ||
$sline =~ /^\+\s+\(?\s*(?:$Compare|$Assignment|$Operators)/)) {
WARN("SPACING",
"networking uses a blank line after declarations\n" . $hereprev);
}
# check for spaces at the beginning of a line.
# Exceptions:
# 1) within comments