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Date: Tue, 6 Dec 2022 08:55:45 +0000 From: Martin Habets <habetsm.xilinx@...il.com> To: ye.xingchen@....com.cn Cc: leon@...nel.org, davem@...emloft.net, ecree.xilinx@...il.com, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, petrm@...dia.com, khalasa@...p.pl, shayagr@...zon.com, wsa+renesas@...g-engineering.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next v2] sfc: use sysfs_emit() to instead of scnprintf() On Mon, Dec 05, 2022 at 10:21:45AM +0800, ye.xingchen@....com.cn wrote: > From: ye xingchen <ye.xingchen@....com.cn> > > Follow the advice of the Documentation/filesystems/sysfs.rst and show() > should only use sysfs_emit() or sysfs_emit_at() when formatting the > value to be returned to user space. > > Signed-off-by: ye xingchen <ye.xingchen@....com.cn> Acked-by: Martin Habets <habetsm.xilinx@...il.com> > --- > v1 -> v2 > Fix the Subject. > drivers/net/ethernet/sfc/efx_common.c | 2 +- > drivers/net/ethernet/sfc/siena/efx_common.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c > index c2224e41a694..cc30524c2fe4 100644 > --- a/drivers/net/ethernet/sfc/efx_common.c > +++ b/drivers/net/ethernet/sfc/efx_common.c > @@ -1164,7 +1164,7 @@ static ssize_t mcdi_logging_show(struct device *dev, > struct efx_nic *efx = dev_get_drvdata(dev); > struct efx_mcdi_iface *mcdi = efx_mcdi(efx); > > - return scnprintf(buf, PAGE_SIZE, "%d\n", mcdi->logging_enabled); > + return sysfs_emit(buf, "%d\n", mcdi->logging_enabled); > } > > static ssize_t mcdi_logging_store(struct device *dev, > diff --git a/drivers/net/ethernet/sfc/siena/efx_common.c b/drivers/net/ethernet/sfc/siena/efx_common.c > index 1fd396b00bfb..e4b294b8e9ac 100644 > --- a/drivers/net/ethernet/sfc/siena/efx_common.c > +++ b/drivers/net/ethernet/sfc/siena/efx_common.c > @@ -1178,7 +1178,7 @@ static ssize_t mcdi_logging_show(struct device *dev, > struct efx_nic *efx = dev_get_drvdata(dev); > struct efx_mcdi_iface *mcdi = efx_mcdi(efx); > > - return scnprintf(buf, PAGE_SIZE, "%d\n", mcdi->logging_enabled); > + return sysfs_emit(buf, "%d\n", mcdi->logging_enabled); > } > > static ssize_t mcdi_logging_store(struct device *dev, > -- > 2.25.1
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