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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-03 15:37:59 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-03 15:37:59 -0800 |
commit | 8336026942fdf6a96a45057a2fe6d7f7946979d5 (patch) | |
tree | b831d361f5865a86ec645dccd87d74922099ac22 /fs/udf/namei.c | |
parent | 4c7fd114c65830cb052b6f3d0ab5b11626e64d5d (diff) | |
parent | 69102e9b4b61f56a26717659ec2e572a6b18458d (diff) | |
download | lwn-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.c | 11 |
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) { |