x86/smpboot: Init apic mapping before usage

[cascardo/linux.git] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index a1bd161..5a9bf5e 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -320,11 +320,38 @@ static const struct dentry_operations sockfs_dentry_operations = {
        .d_dname  = sockfs_dname,
 };
 
+static int sockfs_xattr_get(const struct xattr_handler *handler,
+                           struct dentry *dentry, struct inode *inode,
+                           const char *suffix, void *value, size_t size)
+{
+       if (value) {
+               if (dentry->d_name.len + 1 > size)
+                       return -ERANGE;
+               memcpy(value, dentry->d_name.name, dentry->d_name.len + 1);
+       }
+       return dentry->d_name.len + 1;
+}
+
+#define XATTR_SOCKPROTONAME_SUFFIX "sockprotoname"
+#define XATTR_NAME_SOCKPROTONAME (XATTR_SYSTEM_PREFIX XATTR_SOCKPROTONAME_SUFFIX)
+#define XATTR_NAME_SOCKPROTONAME_LEN (sizeof(XATTR_NAME_SOCKPROTONAME)-1)
+
+static const struct xattr_handler sockfs_xattr_handler = {
+       .name = XATTR_NAME_SOCKPROTONAME,
+       .get = sockfs_xattr_get,
+};
+
+static const struct xattr_handler *sockfs_xattr_handlers[] = {
+       &sockfs_xattr_handler,
+       NULL
+};
+
 static struct dentry *sockfs_mount(struct file_system_type *fs_type,
                         int flags, const char *dev_name, void *data)
 {
-       return mount_pseudo(fs_type, "socket:", &sockfs_ops,
-               &sockfs_dentry_operations, SOCKFS_MAGIC);
+       return mount_pseudo_xattr(fs_type, "socket:", &sockfs_ops,
+                                 sockfs_xattr_handlers,
+                                 &sockfs_dentry_operations, SOCKFS_MAGIC);
 }
 
 static struct vfsmount *sock_mnt __read_mostly;
@@ -463,35 +490,6 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
        return NULL;
 }
 
-#define XATTR_SOCKPROTONAME_SUFFIX "sockprotoname"
-#define XATTR_NAME_SOCKPROTONAME (XATTR_SYSTEM_PREFIX XATTR_SOCKPROTONAME_SUFFIX)
-#define XATTR_NAME_SOCKPROTONAME_LEN (sizeof(XATTR_NAME_SOCKPROTONAME)-1)
-static ssize_t sockfs_getxattr(struct dentry *dentry, struct inode *inode,
-                              const char *name, void *value, size_t size)
-{
-       const char *proto_name;
-       size_t proto_size;
-       int error;
-
-       error = -ENODATA;
-       if (!strncmp(name, XATTR_NAME_SOCKPROTONAME, XATTR_NAME_SOCKPROTONAME_LEN)) {
-               proto_name = dentry->d_name.name;
-               proto_size = strlen(proto_name);
-
-               if (value) {
-                       error = -ERANGE;
-                       if (proto_size + 1 > size)
-                               goto out;
-
-                       strncpy(value, proto_name, proto_size + 1);
-               }
-               error = proto_size + 1;
-       }
-
-out:
-       return error;
-}
-
 static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
                                size_t size)
 {
@@ -521,7 +519,6 @@ static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
 }
 
 static const struct inode_operations sockfs_inode_ops = {
-       .getxattr = sockfs_getxattr,
        .listxattr = sockfs_listxattr,
 };