Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12

1 files changed, 30 insertions, 31 deletions

diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index daa15d6..e9c75e2 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -42,7 +42,7 @@ static void befs_destroy_inode(struct inode *inode);
 static int befs_init_inodecache(void);
 static void befs_destroy_inodecache(void);
 static void *befs_follow_link(struct dentry *, struct nameidata *);
-static void *befs_fast_follow_link(struct dentry *, struct nameidata *);
+static void befs_put_link(struct dentry *, struct nameidata *, void *);
 static int befs_utf2nls(struct super_block *sb, const char *in, int in_len,
 			char **out, int *out_len);
 static int befs_nls2utf(struct super_block *sb, const char *in, int in_len,
@@ -79,15 +79,10 @@ static const struct address_space_operations befs_aops = {
 	.bmap		= befs_bmap,
 };
 
-static const struct inode_operations befs_fast_symlink_inode_operations = {
-	.readlink	= generic_readlink,
-	.follow_link	= befs_fast_follow_link,
-};
-
 static const struct inode_operations befs_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= befs_follow_link,
-	.put_link	= kfree_put_link,
+	.put_link	= befs_put_link,
 };
 
 /* 
@@ -416,10 +411,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
 		inode->i_op = &befs_dir_inode_operations;
 		inode->i_fop = &befs_dir_operations;
 	} else if (S_ISLNK(inode->i_mode)) {
-		if (befs_ino->i_flags & BEFS_LONG_SYMLINK)
-			inode->i_op = &befs_symlink_inode_operations;
-		else
-			inode->i_op = &befs_fast_symlink_inode_operations;
+		inode->i_op = &befs_symlink_inode_operations;
 	} else {
 		befs_error(sb, "Inode %lu is not a regular file, "
 			   "directory or symlink. THAT IS WRONG! BeFS has no "
@@ -485,40 +477,47 @@ befs_destroy_inodecache(void)
 static void *
 befs_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
-	struct super_block *sb = dentry->d_sb;
 	befs_inode_info *befs_ino = BEFS_I(dentry->d_inode);
-	befs_data_stream *data = &befs_ino->i_data.ds;
-	befs_off_t len = data->size;
 	char *link;
 
-	if (len == 0) {
-		befs_error(sb, "Long symlink with illegal length");
-		link = ERR_PTR(-EIO);
-	} else {
-		befs_debug(sb, "Follow long symlink");
+	if (befs_ino->i_flags & BEFS_LONG_SYMLINK) {
+		struct super_block *sb = dentry->d_sb;
+		befs_data_stream *data = &befs_ino->i_data.ds;
+		befs_off_t len = data->size;
 
-		link = kmalloc(len, GFP_NOFS);
-		if (!link) {
-			link = ERR_PTR(-ENOMEM);
-		} else if (befs_read_lsymlink(sb, data, link, len) != len) {
-			kfree(link);
-			befs_error(sb, "Failed to read entire long symlink");
+		if (len == 0) {
+			befs_error(sb, "Long symlink with illegal length");
 			link = ERR_PTR(-EIO);
 		} else {
-			link[len - 1] = '\0';
+			befs_debug(sb, "Follow long symlink");
+
+			link = kmalloc(len, GFP_NOFS);
+			if (!link) {
+				link = ERR_PTR(-ENOMEM);
+			} else if (befs_read_lsymlink(sb, data, link, len) != len) {
+				kfree(link);
+				befs_error(sb, "Failed to read entire long symlink");
+				link = ERR_PTR(-EIO);
+			} else {
+				link[len - 1] = '\0';
+			}
 		}
+	} else {
+		link = befs_ino->i_data.symlink;
 	}
+
 	nd_set_link(nd, link);
 	return NULL;
 }
 
-
-static void *
-befs_fast_follow_link(struct dentry *dentry, struct nameidata *nd)
+static void befs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
 {
 	befs_inode_info *befs_ino = BEFS_I(dentry->d_inode);
-	nd_set_link(nd, befs_ino->i_data.symlink);
-	return NULL;
+	if (befs_ino->i_flags & BEFS_LONG_SYMLINK) {
+		char *link = nd_get_link(nd);
+		if (!IS_ERR(link))
+			kfree(link);
+	}
 }
 
 /*