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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-03 15:37:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-03 15:37:59 -0800
commit8336026942fdf6a96a45057a2fe6d7f7946979d5 (patch)
treeb831d361f5865a86ec645dccd87d74922099ac22 /fs/udf/namei.c
parent4c7fd114c65830cb052b6f3d0ab5b11626e64d5d (diff)
parent69102e9b4b61f56a26717659ec2e572a6b18458d (diff)
downloadlwn-8336026942fdf6a96a45057a2fe6d7f7946979d5.tar.gz
lwn-8336026942fdf6a96a45057a2fe6d7f7946979d5.zip
Merge branch 'i_nlink' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'i_nlink' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: hfs: fix rename() over non-empty directory udf: fix i_nlink limit fix reiserfs mkdir() breakage exofs: i_nlink races in rename() nilfs2: i_nlink races in rename() minix: i_nlink races in rename() ufs: i_nlink races in rename() sysv: i_nlink races in rename()
Diffstat (limited to 'fs/udf/namei.c')
-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 @@
#include <linux/crc-itu-t.h>
#include <linux/exportfs.h>
+enum { UDF_MAX_LINKS = 0xffff };
+
static inline int udf_match(int len1, const unsigned char *name1, int len2,
const unsigned char *name2)
{
@@ -650,7 +652,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
struct udf_inode_info *iinfo;
err = -EMLINK;
- if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1)
+ if (dir->i_nlink >= UDF_MAX_LINKS)
goto out;
err = -EIO;
@@ -1034,9 +1036,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
struct fileIdentDesc cfi, *fi;
int err;
- if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) {
+ if (inode->i_nlink >= UDF_MAX_LINKS)
return -EMLINK;
- }
fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
if (!fi) {
@@ -1131,9 +1132,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
goto end_rename;
retval = -EMLINK;
- if (!new_inode &&
- new_dir->i_nlink >=
- (256 << sizeof(new_dir->i_nlink)) - 1)
+ if (!new_inode && new_dir->i_nlink >= UDF_MAX_LINKS)
goto end_rename;
}
if (!nfi) {