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Diffstat (limited to 'fs/hfsplus')
-rw-r--r--fs/hfsplus/dir.c11
-rw-r--r--fs/hfsplus/xattr.c15
2 files changed, 21 insertions, 5 deletions
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index bdec66522de3..fb07d260e692 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -12,6 +12,7 @@
 #include <linux/fs.h>
 #include <linux/slab.h>
 #include <linux/random.h>
+#include <linux/nls.h>
 
 #include "hfsplus_fs.h"
 #include "hfsplus_raw.h"
@@ -127,7 +128,7 @@ static int hfsplus_readdir(struct file *file, struct dir_context *ctx)
 	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
 	int len, err;
-	char strbuf[HFSPLUS_MAX_STRLEN + 1];
+	char *strbuf;
 	hfsplus_cat_entry entry;
 	struct hfs_find_data fd;
 	struct hfsplus_readdir_data *rd;
@@ -139,6 +140,11 @@ static int hfsplus_readdir(struct file *file, struct dir_context *ctx)
 	err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd);
 	if (err)
 		return err;
+	strbuf = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_MAX_STRLEN + 1, GFP_KERNEL);
+	if (!strbuf) {
+		err = -ENOMEM;
+		goto out;
+	}
 	hfsplus_cat_build_key(sb, fd.search_key, inode->i_ino, NULL);
 	err = hfs_brec_find(&fd, hfs_find_rec_by_key);
 	if (err)
@@ -193,7 +199,7 @@ static int hfsplus_readdir(struct file *file, struct dir_context *ctx)
 		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
 			fd.entrylength);
 		type = be16_to_cpu(entry.type);
-		len = HFSPLUS_MAX_STRLEN;
+		len = NLS_MAX_CHARSET_SIZE * HFSPLUS_MAX_STRLEN;
 		err = hfsplus_uni2asc(sb, &fd.key->cat.name, strbuf, &len);
 		if (err)
 			goto out;
@@ -246,6 +252,7 @@ next:
 	}
 	memcpy(&rd->key, fd.key, sizeof(struct hfsplus_cat_key));
 out:
+	kfree(strbuf);
 	hfs_find_exit(&fd);
 	return err;
 }
diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c
index 4e27edc082a4..e2b3c9ea1c71 100644
--- a/fs/hfsplus/xattr.c
+++ b/fs/hfsplus/xattr.c
@@ -8,6 +8,7 @@
 
 #include "hfsplus_fs.h"
 #include <linux/posix_acl_xattr.h>
+#include <linux/nls.h>
 #include "xattr.h"
 #include "acl.h"
 
@@ -645,8 +646,7 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size)
 	struct hfs_find_data fd;
 	u16 key_len = 0;
 	struct hfsplus_attr_key attr_key;
-	char strbuf[HFSPLUS_ATTR_MAX_STRLEN +
-			XATTR_MAC_OSX_PREFIX_LEN + 1] = {0};
+	char *strbuf;
 	int xattr_name_len;
 
 	if ((!S_ISREG(inode->i_mode) &&
@@ -666,6 +666,13 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size)
 		return err;
 	}
 
+	strbuf = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN +
+			XATTR_MAC_OSX_PREFIX_LEN + 1, GFP_KERNEL);
+	if (!strbuf) {
+		res = -ENOMEM;
+		goto out;
+	}
+
 	err = hfsplus_find_attr(inode->i_sb, inode->i_ino, NULL, &fd);
 	if (err) {
 		if (err == -ENOENT) {
@@ -692,7 +699,7 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size)
 		if (be32_to_cpu(attr_key.cnid) != inode->i_ino)
 			goto end_listxattr;
 
-		xattr_name_len = HFSPLUS_ATTR_MAX_STRLEN;
+		xattr_name_len = NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN;
 		if (hfsplus_uni2asc(inode->i_sb,
 			(const struct hfsplus_unistr *)&fd.key->attr.key_name,
 					strbuf, &xattr_name_len)) {
@@ -718,6 +725,8 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size)
 	}
 
 end_listxattr:
+	kfree(strbuf);
+out:
 	hfs_find_exit(&fd);
 	return res;
 }