diff options
| author | Fabian Frederick <fabf@skynet.be> | 2015-04-16 12:47:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-17 09:04:05 -0400 |
| commit | 5e61473ea9f1ed6537ffaf6bf1cb60655f0d1b2c (patch) | |
| tree | 4ee3f0645b0a060a78945e8ce214c75f31fffa22 /fs/hfsplus/xattr.c | |
| parent | a3cef4cd6886c755d2148739699751900b51a365 (diff) | |
fs/hfsplus: move xattr_name allocation in hfsplus_setxattr()
security/trusted/user/osx setxattr did the same
xattr_name initialization. Move that operation in hfsplus_setxattr().
Tested with security/trusted/user getfattr/setfattr
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hfsplus/xattr.c')
| -rw-r--r-- | fs/hfsplus/xattr.c | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c index 087f8da9e565..16f545dd929b 100644 --- a/fs/hfsplus/xattr.c +++ b/fs/hfsplus/xattr.c @@ -424,6 +424,28 @@ static int copy_name(char *buffer, const char *xattr_name, int name_len) return len; } +int hfsplus_setxattr(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, + const char *prefix, size_t prefixlen) +{ + char *xattr_name; + int res; + + if (!strcmp(name, "")) + return -EINVAL; + + xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1, + GFP_KERNEL); + if (!xattr_name) + return -ENOMEM; + strcpy(xattr_name, prefix); + strcpy(xattr_name + prefixlen, name); + res = __hfsplus_setxattr(dentry->d_inode, xattr_name, value, size, + flags); + kfree(xattr_name); + return res; +} + static ssize_t hfsplus_getxattr_finder_info(struct inode *inode, void *value, size_t size) { @@ -847,9 +869,6 @@ static int hfsplus_osx_getxattr(struct dentry *dentry, const char *name, static int hfsplus_osx_setxattr(struct dentry *dentry, const char *name, const void *buffer, size_t size, int flags, int type) { - char *xattr_name; - int res; - if (!strcmp(name, "")) return -EINVAL; @@ -859,16 +878,10 @@ static int hfsplus_osx_setxattr(struct dentry *dentry, const char *name, */ if (is_known_namespace(name)) return -EOPNOTSUPP; - xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN - + XATTR_MAC_OSX_PREFIX_LEN + 1, GFP_KERNEL); - if (!xattr_name) - return -ENOMEM; - strcpy(xattr_name, XATTR_MAC_OSX_PREFIX); - strcpy(xattr_name + XATTR_MAC_OSX_PREFIX_LEN, name); - res = hfsplus_setxattr(dentry, xattr_name, buffer, size, flags); - kfree(xattr_name); - return res; + return hfsplus_setxattr(dentry, name, buffer, size, flags, + XATTR_MAC_OSX_PREFIX, + XATTR_MAC_OSX_PREFIX_LEN); } static size_t hfsplus_osx_listxattr(struct dentry *dentry, char *list, |