[Devel] [PATCH] proc: remove useless checks in proc_register()

[Alexey Dobriyan]

Before proc_register() all PDEs are created by proc_create() which
doesn't set ->proc_iops and ->proc_fops -- they're NULL. So those
branches in proc_register() always taken.

Signed-off-by: Alexey Dobriyan <adobriyan at sw.ru>
---

 fs/proc/generic.c |   15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -525,19 +525,14 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
 	dp->low_ino = i;
 
 	if (S_ISDIR(dp->mode)) {
-		if (dp->proc_iops == NULL) {
-			dp->proc_fops = &proc_dir_operations;
-			dp->proc_iops = &proc_dir_inode_operations;
-		}
+		dp->proc_fops = &proc_dir_operations;
+		dp->proc_iops = &proc_dir_inode_operations;
 		dir->nlink++;
 	} else if (S_ISLNK(dp->mode)) {
-		if (dp->proc_iops == NULL)
-			dp->proc_iops = &proc_link_inode_operations;
+		dp->proc_iops = &proc_link_inode_operations;
 	} else if (S_ISREG(dp->mode)) {
-		if (dp->proc_fops == NULL)
-			dp->proc_fops = &proc_file_operations;
-		if (dp->proc_iops == NULL)
-			dp->proc_iops = &proc_file_inode_operations;
+		dp->proc_fops = &proc_file_operations;
+		dp->proc_iops = &proc_file_inode_operations;
 	}
 
 	spin_lock(&proc_subdir_lock);