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-rw-r--r--fs/udf/namei.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 2be0f9eb86d2..b7c338d5e9df 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -32,6 +32,8 @@
32#include <linux/crc-itu-t.h> 32#include <linux/crc-itu-t.h>
33#include <linux/exportfs.h> 33#include <linux/exportfs.h>
34 34
35enum { UDF_MAX_LINKS = 0xffff };
36
35static inline int udf_match(int len1, const unsigned char *name1, int len2, 37static inline int udf_match(int len1, const unsigned char *name1, int len2,
36 const unsigned char *name2) 38 const unsigned char *name2)
37{ 39{
@@ -650,7 +652,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
650 struct udf_inode_info *iinfo; 652 struct udf_inode_info *iinfo;
651 653
652 err = -EMLINK; 654 err = -EMLINK;
653 if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1) 655 if (dir->i_nlink >= UDF_MAX_LINKS)
654 goto out; 656 goto out;
655 657
656 err = -EIO; 658 err = -EIO;
@@ -1034,9 +1036,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1034 struct fileIdentDesc cfi, *fi; 1036 struct fileIdentDesc cfi, *fi;
1035 int err; 1037 int err;
1036 1038
1037 if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) { 1039 if (inode->i_nlink >= UDF_MAX_LINKS)
1038 return -EMLINK; 1040 return -EMLINK;
1039 }
1040 1041
1041 fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); 1042 fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
1042 if (!fi) { 1043 if (!fi) {
@@ -1131,9 +1132,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1131 goto end_rename; 1132 goto end_rename;
1132 1133
1133 retval = -EMLINK; 1134 retval = -EMLINK;
1134 if (!new_inode && 1135 if (!new_inode && new_dir->i_nlink >= UDF_MAX_LINKS)
1135 new_dir->i_nlink >=
1136 (256 << sizeof(new_dir->i_nlink)) - 1)
1137 goto end_rename; 1136 goto end_rename;
1138 } 1137 }
1139 if (!nfi) { 1138 if (!nfi) {