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x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfAVU/u3fxoNmdZQe9IwZP4Zhgjs1c3xci9ccVfHqS2iIy05B855sL3NFWuOxqJjzg6jTbSMfGwyXmoc9LNFf6+VzZ49cqoRJ4Ml/tQSdY0rjHzoVg1WS bjXDuo2qepa+gyZjlKXE8nZ3Rcl/yTmZnoPD/lME2asMm/jpSk3EUqO2npsrw0vRnkLtV+6B3WTHndd4mnn0ur67LUckQWTikUZ3KcStzmnDQhg0nQHe9BTZ 02CXhwl88FyWysWXL8zt5Q== X-CM-Analysis: v=2.3 cv=WaUilXpX c=1 sm=1 tr=0 a=584k1XxxM9pnnVd4MmWcNA==:117 a=584k1XxxM9pnnVd4MmWcNA==:17 a=kj9zAlcOel0A:10 a=Kd1tUaAdevIA:10 a=-uNXE31MpBQA:10 a=jJxKW8Ag-pUA:10 a=P-IC7800AAAA:8 a=DDOyTI_5AAAA:8 a=7KAsyMi3TWwjPTD_GFoA:9 a=CjuIK1q_8ugA:10 a=d3PnA9EDa4IxuAV0gXij:22 a=_BcfOz0m4U4ohdxiHPKc:22 cc=dsc X-ME-CMScore: 0 X-ME-CMCategory: discussion X-Remote-Delivered-To: driverdev-devel@osuosl.org Date: Wed, 25 Apr 2018 20:25:37 +0200 From: Alexandre Belloni To: Christoph Hellwig Subject: Re: [PATCH 27/40] rtc/proc: switch to proc_create_single_data Message-ID: <20180425182537.GG4813@piout.net> References: <20180425154827.32251-1-hch@lst.de> <20180425154827.32251-28-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180425154827.32251-28-hch@lst.de> User-Agent: Mutt/1.9.5 (2018-04-13) X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.24 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rtc@vger.kernel.org, Alessandro Zummo , jfs-discussion@lists.sourceforge.net, devel@driverdev.osuosl.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-afs@lists.infradead.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, Alexander Viro , Jiri Slaby , Andrew Morton , linux-ext4@vger.kernel.org, Alexey Dobriyan , megaraidlinux.pdl@broadcom.com, drbd-dev@lists.linbit.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 25/04/2018 17:48:14+0200, Christoph Hellwig wrote: > And stop trying to get a reference on the submodule, procfs code deals > with release after and unloaded module and thus removed proc entry. small typo here ^ > > Signed-off-by: Christoph Hellwig Acked-by: Alexandre Belloni > --- > drivers/rtc/rtc-proc.c | 33 ++------------------------------- > 1 file changed, 2 insertions(+), 31 deletions(-) > > diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c > index 31e7e23cc5be..a9dd9218fae2 100644 > --- a/drivers/rtc/rtc-proc.c > +++ b/drivers/rtc/rtc-proc.c > @@ -107,40 +107,11 @@ static int rtc_proc_show(struct seq_file *seq, void *offset) > return 0; > } > > -static int rtc_proc_open(struct inode *inode, struct file *file) > -{ > - int ret; > - struct rtc_device *rtc = PDE_DATA(inode); > - > - if (!try_module_get(rtc->owner)) > - return -ENODEV; > - > - ret = single_open(file, rtc_proc_show, rtc); > - if (ret) > - module_put(rtc->owner); > - return ret; > -} > - > -static int rtc_proc_release(struct inode *inode, struct file *file) > -{ > - int res = single_release(inode, file); > - struct rtc_device *rtc = PDE_DATA(inode); > - > - module_put(rtc->owner); > - return res; > -} > - > -static const struct file_operations rtc_proc_fops = { > - .open = rtc_proc_open, > - .read = seq_read, > - .llseek = seq_lseek, > - .release = rtc_proc_release, > -}; > - > void rtc_proc_add_device(struct rtc_device *rtc) > { > if (is_rtc_hctosys(rtc)) > - proc_create_data("driver/rtc", 0, NULL, &rtc_proc_fops, rtc); > + proc_create_single_data("driver/rtc", 0, NULL, rtc_proc_show, > + rtc); > } > > void rtc_proc_del_device(struct rtc_device *rtc) > -- > 2.17.0 > -- Alexandre Belloni, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel