There's a __packed #define for this __attribute__((packed)).
Might as well get checkpatch to tell people about it.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
On Thu, 2010-12-16 at 10:21 -0500, John W. Linville wrote:
> On Thu, Dec 16, 2010 at 09:05:12AM -0600, Larry Finger wrote:
> > On 12/16/2010 08:34 AM, John W. Linville wrote:
> > > Use "__packed" instead of "__attribute__ ((packed))"...
> > As a point of interest, is this the "new" recommended way? The reason I ask is
> > that the Linux headers are mostly in the attribute form.
> AIUI, "__packed" is the one true way. I think this facilitates
> compiling the kernel with compilers other than GCC.
>
> At any rate, Dave Miller threatened to injure me if I kept sending him stuff using
> "__attribute__ ((packed))"... :-)
scripts/checkpatch.pl | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e3c7fc0..6fc24af 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2743,6 +2743,11 @@ sub process {
WARN("plain inline is preferred over $1\n" . $herecurr);
}
+# Check for __attribute__ packed, prefer __packed
+ if ($line =~ /\b__attribute__\s*\(\s*\(.*\bpacked\b/) {
+ WARN("__packed is preferred over __attribute__((packed))\n" . $herecurr);
+ }
+
# check for sizeof(&)
if ($line =~ /\bsizeof\s*\(\s*\&/) {
WARN("sizeof(& should be avoided\n" . $herecurr);
--
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