X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fnamei.c;h=ee60cc4d3453209723d6f70982e7083d7cb39477;hb=d0dc1129c2e5a5a0e53940cad44333e6bd2f9af3;hp=28d49b301d5516bbdfb5bf7651f3c51b8f370f31;hpb=a12f66fccf2e266ad197df142b5ebafc6a169a8c;p=linux-2.6-omap-h63xx.git

diff --git a/fs/namei.c b/fs/namei.c
index 28d49b301d5..ee60cc4d345 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -249,9 +249,11 @@ int permission(struct inode *inode, int mask, struct nameidata *nd)
 
 	/*
 	 * MAY_EXEC on regular files requires special handling: We override
-	 * filesystem execute permissions if the mode bits aren't set.
+	 * filesystem execute permissions if the mode bits aren't set or
+	 * the fs is mounted with the "noexec" flag.
 	 */
-	if ((mask & MAY_EXEC) && S_ISREG(mode) && !(mode & S_IXUGO))
+	if ((mask & MAY_EXEC) && S_ISREG(mode) && (!(mode & S_IXUGO) ||
+			(nd && nd->mnt && (nd->mnt->mnt_flags & MNT_NOEXEC))))
 		return -EACCES;
 
 	/* Ordinary permission routines do not understand MAY_APPEND. */
@@ -295,7 +297,7 @@ int vfs_permission(struct nameidata *nd, int mask)
  */
 int file_permission(struct file *file, int mask)
 {
-	return permission(file->f_dentry->d_inode, mask, NULL);
+	return permission(file->f_path.dentry->d_inode, mask, NULL);
 }
 
 /*
@@ -331,7 +333,7 @@ int get_write_access(struct inode * inode)
 
 int deny_write_access(struct file * file)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file->f_path.dentry->d_inode;
 
 	spin_lock(&inode->i_lock);
 	if (atomic_read(&inode->i_writecount) > 0) {
@@ -366,7 +368,7 @@ void path_release_on_umount(struct nameidata *nd)
  */
 void release_open_intent(struct nameidata *nd)
 {
-	if (nd->intent.open.file->f_dentry == NULL)
+	if (nd->intent.open.file->f_path.dentry == NULL)
 		put_filp(nd->intent.open.file);
 	else
 		fput(nd->intent.open.file);
@@ -570,11 +572,6 @@ fail:
 	return PTR_ERR(link);
 }
 
-struct path {
-	struct vfsmount *mnt;
-	struct dentry *dentry;
-};
-
 static inline void dput_path(struct path *path, struct nameidata *nd)
 {
 	dput(path->dentry);
@@ -1141,7 +1138,7 @@ static int fastcall do_path_lookup(int dfd, const char *name,
 		if (!file)
 			goto out_fail;
 
-		dentry = file->f_dentry;
+		dentry = file->f_path.dentry;
 
 		retval = -ENOTDIR;
 		if (!S_ISDIR(dentry->d_inode->i_mode))
@@ -1151,7 +1148,7 @@ static int fastcall do_path_lookup(int dfd, const char *name,
 		if (retval)
 			goto fput_fail;
 
-		nd->mnt = mntget(file->f_vfsmnt);
+		nd->mnt = mntget(file->f_path.mnt);
 		nd->dentry = dget(dentry);
 
 		fput_light(file, fput_needed);
@@ -1996,8 +1993,7 @@ asmlinkage long sys_mkdir(const char __user *pathname, int mode)
 void dentry_unhash(struct dentry *dentry)
 {
 	dget(dentry);
-	if (atomic_read(&dentry->d_count))
-		shrink_dcache_parent(dentry);
+	shrink_dcache_parent(dentry);
 	spin_lock(&dcache_lock);
 	spin_lock(&dentry->d_lock);
 	if (atomic_read(&dentry->d_count) == 2)
@@ -2692,10 +2688,11 @@ int __page_symlink(struct inode *inode, const char *symname, int len,
 {
 	struct address_space *mapping = inode->i_mapping;
 	struct page *page;
-	int err = -ENOMEM;
+	int err;
 	char *kaddr;
 
 retry:
+	err = -ENOMEM;
 	page = find_or_create_page(mapping, 0, gfp_mask);
 	if (!page)
 		goto fail;
@@ -2748,7 +2745,7 @@ int page_symlink(struct inode *inode, const char *symname, int len)
 			mapping_gfp_mask(inode->i_mapping));
 }
 
-struct inode_operations page_symlink_inode_operations = {
+const struct inode_operations page_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= page_follow_link_light,
 	.put_link	= page_put_link,