diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-04-11 18:22:20 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-16 07:24:30 +0200 |
| commit | 59cacb8dd594428a3be0e57aa099247be818aad6 (patch) | |
| tree | 639de7739cec00963e78323674a1cf30eb2699e6 /drivers | |
| parent | drbd: switch to proc_create_single (diff) | |
| download | linux-59cacb8dd594428a3be0e57aa099247be818aad6.tar.xz linux-59cacb8dd594428a3be0e57aa099247be818aad6.zip | |
rtc/proc: switch to proc_create_single_data
And stop trying to get a reference on the submodule, procfs code deals
with release after an unloaded module and thus removed proc entry.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rtc/rtc-proc.c | 33 |
1 files 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) |