From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 23 Jan 2013 21:24:16 +0000 (-0500)
Subject: selinux: opened file can't have NULL or negative ->f_path.dentry
X-Git-Tag: upstream/snapshot3+hdmi~5572^2~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45e09bd51b2be1fbb86c2e3d5bb00d32744f1ecb;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

selinux: opened file can't have NULL or negative ->f_path.dentry

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

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 84b59171..2fa28c8 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3135,11 +3135,6 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
 
 	switch (cmd) {
 	case F_SETFL:
-		if (!file->f_path.dentry || !file->f_path.dentry->d_inode) {
-			err = -EINVAL;
-			break;
-		}
-
 		if ((file->f_flags & O_APPEND) && !(arg & O_APPEND)) {
 			err = file_has_perm(cred, file, FILE__WRITE);
 			break;
@@ -3162,10 +3157,6 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
 	case F_SETLK64:
 	case F_SETLKW64:
 #endif
-		if (!file->f_path.dentry || !file->f_path.dentry->d_inode) {
-			err = -EINVAL;
-			break;
-		}
 		err = file_has_perm(cred, file, FILE__LOCK);
 		break;
 	}