commit b6cdc7310338e204224f865918f774eb6db0b75d
author Al Viro <viro@zeniv.linux.org.uk> Sat Mar 30 21:20:14 2013 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Tue Apr 09 14:13:14 2013 -0400
tree 0525092aeb3cc02dbe67b41444444cfc7cd4449a
parent 21ba37c9cf2f2dcadaabd79dff384537124d216c

procfs: don't allow to use proc_create, create_proc_entry, etc. for directories

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/proc/inode.c

diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 908e974..a4aaaee 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -462,8 +462,8 @@
 			inode->i_size = de->size;
 		if (de->nlink)
 			set_nlink(inode, de->nlink);
-		if (de->proc_iops)
-			inode->i_op = de->proc_iops;
+		WARN_ON(!de->proc_iops);
+		inode->i_op = de->proc_iops;
 		if (de->proc_fops) {
 			if (S_ISREG(inode->i_mode)) {
 #ifdef CONFIG_COMPAT