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authorFabian Frederick <fabf@skynet.be>2015-04-16 12:46:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-17 09:04:04 -0400
commita3cef4cd6886c755d2148739699751900b51a365 (patch)
tree49e364b4aaee42340108e3653d268f10b89529e0 /fs/hfsplus/xattr_security.c
parentf01fa5fb35c132587855be788297771e94b84330 (diff)
downloadlinux-a3cef4cd6886c755d2148739699751900b51a365.tar.gz
fs/hfsplus: move xattr_name allocation in hfsplus_getxattr()
security/trusted/user/osx getxattr did the same
xattr_name initialization. Move that operation in hfsplus_getxattr().

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_security.c')
-rw-r--r--fs/hfsplus/xattr_security.c19
1 files changed, 3 insertions, 16 deletions
diff --git a/fs/hfsplus/xattr_security.c b/fs/hfsplus/xattr_security.c
index 6ec5e107691f..e67d52889448 100644
--- a/fs/hfsplus/xattr_security.c
+++ b/fs/hfsplus/xattr_security.c
@@ -16,22 +16,9 @@
 static int hfsplus_security_getxattr(struct dentry *dentry, const char *name,
 					void *buffer, size_t size, int type)
 {
-	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, XATTR_SECURITY_PREFIX);
-	strcpy(xattr_name + XATTR_SECURITY_PREFIX_LEN, name);
-
-	res = hfsplus_getxattr(dentry, xattr_name, buffer, size);
-	kfree(xattr_name);
-	return res;
+	return hfsplus_getxattr(dentry, name, buffer, size,
+				XATTR_SECURITY_PREFIX,
+				XATTR_SECURITY_PREFIX_LEN);
 }
 
 static int hfsplus_security_setxattr(struct dentry *dentry, const char *name,