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| author | Yangtao Li <tiny.windzz@gmail.com> | 2018-12-10 10:53:29 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-10 12:05:20 -0800 |
| commit | 5061e3f43b7da28e1fe13c300b66fc5a4f98b0e8 (patch) | |
| tree | b29044ce54875df997e29a600c96e17d40bda0c7 /drivers | |
| parent | f578e6764958704960e78daf624887da1d3e6d90 (diff) | |
| download | linux-5061e3f43b7da28e1fe13c300b66fc5a4f98b0e8.tar.bz2 | |
net: xenbus: convert to DEFINE_SHOW_ATTRIBUTE
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/xen-netback/xenbus.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index fe1d52247bbe..2625740bdc4a 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -186,7 +186,7 @@ static const struct file_operations xenvif_dbg_io_ring_ops_fops = { .write = xenvif_write_io_ring, }; -static int xenvif_read_ctrl(struct seq_file *m, void *v) +static int xenvif_ctrl_show(struct seq_file *m, void *v) { struct xenvif *vif = m->private; @@ -194,19 +194,7 @@ static int xenvif_read_ctrl(struct seq_file *m, void *v) return 0; } - -static int xenvif_ctrl_open(struct inode *inode, struct file *filp) -{ - return single_open(filp, xenvif_read_ctrl, inode->i_private); -} - -static const struct file_operations xenvif_dbg_ctrl_ops_fops = { - .owner = THIS_MODULE, - .open = xenvif_ctrl_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(xenvif_ctrl); static void xenvif_debugfs_addif(struct xenvif *vif) { @@ -238,7 +226,7 @@ static void xenvif_debugfs_addif(struct xenvif *vif) 0400, vif->xenvif_dbg_root, vif, - &xenvif_dbg_ctrl_ops_fops); + &xenvif_ctrl_fops); if (IS_ERR_OR_NULL(pfile)) pr_warn("Creation of ctrl file returned %ld!\n", PTR_ERR(pfile)); |