[PATCH] staging: fieldbus: anybuss: Remove variables
gregkh at linuxfoundation.org
Fri May 24 06:56:40 UTC 2019
On Fri, May 24, 2019 at 11:33:28AM +0530, Nishka Dasgupta wrote:
> The local variable cd, used in multiple functions, is immediately passed
> to another function call, whose result is returned. As that is the only
> use of cd, it can be replaced with its variable.
> Issue found with Coccinelle.
> Signed-off-by: Nishka Dasgupta <nishkadg.linux at gmail.com>
> drivers/staging/fieldbus/anybuss/host.c | 18 ++++++------------
> 1 file changed, 6 insertions(+), 12 deletions(-)
Your subject line might say:
"remove unneeded temporary variables"
or something like that?
> diff --git a/drivers/staging/fieldbus/anybuss/host.c b/drivers/staging/fieldbus/anybuss/host.c
> index f69dc4930457..9679cd0b737b 100644
> --- a/drivers/staging/fieldbus/anybuss/host.c
> +++ b/drivers/staging/fieldbus/anybuss/host.c
> @@ -1046,10 +1046,8 @@ EXPORT_SYMBOL_GPL(anybuss_start_init);
> int anybuss_finish_init(struct anybuss_client *client)
> - struct anybuss_host *cd = client->host;
> - return _anybus_mbox_cmd(cd, CMD_END_INIT, false, NULL, 0,
> - NULL, 0, NULL, 0);
> + return _anybus_mbox_cmd(client->host, CMD_END_INIT, false, NULL, 0,
> + NULL, 0, NULL, 0);
While a potential change, this really doesn't help anything be it object
code size, or make anything easier to understand.
Again, don't change things just because a tool said it could be changed,
think about what you are doing and why it would, or would not, be
something that is worth doing.
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