linux-kernel - checkpatch.pl report about "Missing blank line after declarations" in a structure definition

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Date:	Mon, 4 Aug 2014 11:20:44 +0000
From:	Dotan Barak <dotanb@...lanox.com>
To:	Joe Perches <joe@...ches.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: checkpatch.pl report about "Missing blank line after declarations" in
 a structure definition

Hi Joe.

Thanks for fixing the issue that I reported about.

It seems that even after your fix, there is still a false warning of "Missing blank line after declarations".

I executed checkpatch.pl on a header file that exists in the Linux tree:
# ./checkpatch.pl --file --no-tree ../include/linux/mlx5/cq.h

And got the following warning:

WARNING: Missing a blank line after declarations
#49: FILE: ../include/linux/mlx5/cq.h:49:
+       int                     irqn;
+       void (*comp)            (struct mlx5_core_cq *);


Here is the structure that checkpatch.pl is complaining about:

<snip start>
struct mlx5_core_cq {
        u32                     cqn;
        int                     cqe_sz;
        __be32                 *set_ci_db;
        __be32                 *arm_db;
        atomic_t                refcount;
        struct completion       free;
        unsigned                vector;
        int                     irqn;
        void (*comp)            (struct mlx5_core_cq *);
        void (*event)           (struct mlx5_core_cq *, enum mlx5_event);
        struct mlx5_uar        *uar;
        u32                     cons_index;
        unsigned                arm_sn;
        struct mlx5_rsc_debug   *dbg;
        int                     pid;
};
<snip end>

As you can see, this is a structure definition and IMHO the warning above is false.


Thanks!

Dotan Barak
Sr. Staff Engineer, Windows verification
Mellanox Technologies
Beit Mellanox
Yokneam, 20692

Office: +972-74-7236271
Fax:     +972-4-9593245
www.mellanox.com

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