linux-kernel - [PATCH] proc: remove useless checks in proc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20071115161536.GI6216@localhost.sw.ru>
Date:	Thu, 15 Nov 2007 19:15:36 +0300
From:	Alexey Dobriyan <adobriyan@...ru>
To:	akpm@...l.org
Cc:	linux-kernel@...r.kernel.org, devel@...nvz.org
Subject: [PATCH] proc: remove useless checks in proc_register()

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@...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);

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/