luck/tmp_suning_uos_patched
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ncpfs: switch to sockfd_lookup()/sockfd_put()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-03-06 17:41:01 -05:00
parent e25115786e
commit 44ba8406d0
2 changed files with 12 additions and 40 deletions
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50
fs/ncpfs/inode.c
View File

@ -468,9 +468,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
{
struct ncp_mount_data_kernel data;
struct ncp_server *server;
struct file *ncp_filp;
struct inode *root_inode;
struct inode *sock_inode;
struct socket *sock;
int error;
int default_bufsize;
@ -539,18 +537,10 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
if (!uid_valid(data.mounted_uid) || !uid_valid(data.uid) ||
!gid_valid(data.gid))
goto out;
error = -EBADF;
ncp_filp = fget(data.ncp_fd);
if (!ncp_filp)
goto out;
error = -ENOTSOCK;
sock_inode = file_inode(ncp_filp);
if (!S_ISSOCK(sock_inode->i_mode))
goto out_fput;
sock = SOCKET_I(sock_inode);
sock = sockfd_lookup(data.ncp_fd, &error);
if (!sock)
goto out_fput;
goto out;
if (sock->type == SOCK_STREAM)
default_bufsize = 0xF000;
else
@ -572,27 +562,16 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
if (error)
goto out_fput;
server->ncp_filp = ncp_filp;
server->ncp_sock = sock;
if (data.info_fd != -1) {
struct socket *info_sock;
error = -EBADF;
server->info_filp = fget(data.info_fd);
if (!server->info_filp)
goto out_bdi;
error = -ENOTSOCK;
sock_inode = file_inode(server->info_filp);
if (!S_ISSOCK(sock_inode->i_mode))
goto out_fput2;
info_sock = SOCKET_I(sock_inode);
struct socket *info_sock = sockfd_lookup(data.info_fd, &error);
if (!info_sock)
goto out_fput2;
goto out_bdi;
server->info_sock = info_sock;
error = -EBADFD;
if (info_sock->type != SOCK_STREAM)
goto out_fput2;
server->info_sock = info_sock;
}
/* server->lock = 0; */
@ -764,17 +743,12 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
mutex_destroy(&server->root_setup_lock);
mutex_destroy(&server->mutex);
out_fput2:
if (server->info_filp)
fput(server->info_filp);
if (server->info_sock)
sockfd_put(server->info_sock);
out_bdi:
bdi_destroy(&server->bdi);
out_fput:
/* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>:
*
* The previously used put_filp(ncp_filp); was bogus, since
* it doesn't perform proper unlocking.
*/
fput(ncp_filp);
sockfd_put(sock);
out:
put_pid(data.wdog_pid);
sb->s_fs_info = NULL;
@ -807,9 +781,9 @@ static void ncp_put_super(struct super_block *sb)
mutex_destroy(&server->root_setup_lock);
mutex_destroy(&server->mutex);
if (server->info_filp)
fput(server->info_filp);
fput(server->ncp_filp);
if (server->info_sock)
sockfd_put(server->info_sock);
sockfd_put(server->ncp_sock);
kill_pid(server->m.wdog_pid, SIGTERM, 1);
put_pid(server->m.wdog_pid);

2
fs/ncpfs/ncp_fs_sb.h
View File

@ -45,9 +45,7 @@ struct ncp_server {
__u8 name_space[NCP_NUMBER_OF_VOLUMES + 2];
struct file *ncp_filp; /* File pointer to ncp socket */
struct socket *ncp_sock;/* ncp socket */
struct file *info_filp;
struct socket *info_sock;
u8 sequence;