[PATCH -next] KVM: arm64: vgic-debug: convert to use DEFINE_SEQ_ATTRIBUTE macro

From: Liu Shixin
Date: Tue Sep 15 2020 - 22:28:20 EST


Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
---
arch/arm64/kvm/vgic/vgic-debug.c | 24 ++----------------------
1 file changed, 2 insertions(+), 22 deletions(-)

diff --git a/arch/arm64/kvm/vgic/vgic-debug.c b/arch/arm64/kvm/vgic/vgic-debug.c
index b13a9e3f99dd..f38c40a76251 100644
--- a/arch/arm64/kvm/vgic/vgic-debug.c
+++ b/arch/arm64/kvm/vgic/vgic-debug.c
@@ -260,34 +260,14 @@ static int vgic_debug_show(struct seq_file *s, void *v)
return 0;
}

-static const struct seq_operations vgic_debug_seq_ops = {
+static const struct seq_operations vgic_debug_sops = {
.start = vgic_debug_start,
.next = vgic_debug_next,
.stop = vgic_debug_stop,
.show = vgic_debug_show
};

-static int debug_open(struct inode *inode, struct file *file)
-{
- int ret;
- ret = seq_open(file, &vgic_debug_seq_ops);
- if (!ret) {
- struct seq_file *seq;
- /* seq_open will have modified file->private_data */
- seq = file->private_data;
- seq->private = inode->i_private;
- }
-
- return ret;
-};
-
-static const struct file_operations vgic_debug_fops = {
- .owner = THIS_MODULE,
- .open = debug_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release
-};
+DEFINE_SEQ_ATTRIBUTE(vgic_debug);

void vgic_debug_init(struct kvm *kvm)
{
--
2.25.1