Subject: + checkpatch-net-and-drivers-net-warn-on-missing-blank-line-after-variable-declaration.patch added to -mm tree To: joe@xxxxxxxxxxx,davem@xxxxxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Thu, 06 Mar 2014 15:59:10 -0800 The patch titled Subject: checkpatch: net and drivers/net: warn on missing blank line after variable declaration has been added to the -mm tree. Its filename is checkpatch-net-and-drivers-net-warn-on-missing-blank-line-after-variable-declaration.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/checkpatch-net-and-drivers-net-warn-on-missing-blank-line-after-variable-declaration.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/checkpatch-net-and-drivers-net-warn-on-missing-blank-line-after-variable-declaration.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Joe Perches <joe@xxxxxxxxxxx> Subject: checkpatch: net and drivers/net: warn on missing blank line after variable declaration 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@xxxxxxxxxxx> Cc: David Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/checkpatch.pl | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff -puN scripts/checkpatch.pl~checkpatch-net-and-drivers-net-warn-on-missing-blank-line-after-variable-declaration scripts/checkpatch.pl --- a/scripts/checkpatch.pl~checkpatch-net-and-drivers-net-warn-on-missing-blank-line-after-variable-declaration +++ a/scripts/checkpatch.pl @@ -2248,6 +2248,21 @@ 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 _ Patches currently in -mm which might be from joe@xxxxxxxxxxx are origin.patch errh-use-bool-for-is_err-and-is_err_or_null.patch lib-random32c-minor-cleanups-and-kdoc-fix.patch mm-utilc-add-kstrimdup.patch checkpatch-add-test-for-long-udelay.patch checkpatch-dont-warn-on-some-function-pointer-return-styles.patch checkpatch-add-checks-for-constant-non-octal-permissions.patch checkpatch-warn-on-uses-of-__constant_foo-functions.patch checkpatch-update-octal-permissions-warning.patch checkpatch-avoid-sscanf-test-duplicated-messages.patch checkpatch-fix-jiffies-comparison-and-others.patch checkpatch-add-test-for-char-arrays-that-could-be-static-const.patch checkpatch-use-a-more-consistent-function-argument-style.patch checkpatch-ignore-networking-block-comment-style-first-lines-in-file.patch checkpatch-make-return-is-not-a-function-test-quieter.patch checkpatchpl-modify-warning-message-for-printk-usage.patch checkpatch-net-and-drivers-net-warn-on-missing-blank-line-after-variable-declaration.patch ncpfs-add-pr_fmt-and-convert-printks-to-pr_level.patch ncpfs-convert-dprintk-ddprintk-to-ncp_dbg.patch ncpfs-convert-dprintk-ddprintk-to-ncp_dbg-fix.patch ncpfs-convert-dprintk-ddprintk-to-ncp_dbg-fix-fix.patch ncpfs-convert-pprintk-to-ncp_vdbg.patch ncpfs-remove-now-unused-printk-macro.patch ncpfs-inode-fix-mismatch-printk-formats-and-arguments.patch linux-next.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html