diff options
author | Christoph Hellwig <hch@lst.de> | 2018-05-15 16:57:23 +0300 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2018-05-16 08:23:35 +0300 |
commit | 3f3942aca6da351a12543aa776467791b63b3a78 (patch) | |
tree | 31030e086ea36920e07078ea2289b9b72c0b2939 /drivers/staging/comedi | |
parent | 44414d82cfe0f68cb59d0a42f599ccd893ae0032 (diff) | |
download | linux-3f3942aca6da351a12543aa776467791b63b3a78.tar.xz |
proc: introduce proc_create_single{,_data}
Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/staging/comedi')
-rw-r--r-- | drivers/staging/comedi/proc.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c index 50d38938ac6f..8bc8e42beb90 100644 --- a/drivers/staging/comedi/proc.c +++ b/drivers/staging/comedi/proc.c @@ -62,25 +62,9 @@ static int comedi_read(struct seq_file *m, void *v) return 0; } -/* - * seq_file wrappers for procfile show routines. - */ -static int comedi_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, comedi_read, NULL); -} - -static const struct file_operations comedi_proc_fops = { - .owner = THIS_MODULE, - .open = comedi_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - void __init comedi_proc_init(void) { - if (!proc_create("comedi", 0444, NULL, &comedi_proc_fops)) + if (!proc_create_single("comedi", 0444, NULL, comedi_read)) pr_warn("comedi: unable to create proc entry\n"); } |