[PATCH tty-next 1/6] devpts: Move parse_mount_options into fill_super

From: Eric W. Biederman
Date: Wed Sep 14 2016 - 15:07:44 EST


Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
fs/devpts/inode.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 79a5941c2474..c59d39f2d512 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -395,6 +395,7 @@ static int
devpts_fill_super(struct super_block *s, void *data, int silent)
{
struct inode *inode;
+ int error;

s->s_iflags &= ~SB_I_NODEV;
s->s_blocksize = 1024;
@@ -403,10 +404,16 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
s->s_op = &devpts_sops;
s->s_time_gran = 1;

+ error = -ENOMEM;
s->s_fs_info = new_pts_fs_info(s);
if (!s->s_fs_info)
goto fail;

+ error = parse_mount_options(data, PARSE_MOUNT, &DEVPTS_SB(s)->mount_opts);
+ if (error)
+ goto fail;
+
+ error = -ENOMEM;
inode = new_inode(s);
if (!inode)
goto fail;
@@ -424,7 +431,7 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
pr_err("get root dentry failed\n");

fail:
- return -ENOMEM;
+ return error;
}

/*
@@ -437,13 +444,8 @@ static struct dentry *devpts_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
int error;
- struct pts_mount_opts opts;
struct super_block *s;

- error = parse_mount_options(data, PARSE_MOUNT, &opts);
- if (error)
- return ERR_PTR(error);
-
s = sget(fs_type, NULL, set_anon_super, flags, NULL);
if (IS_ERR(s))
return ERR_CAST(s);
@@ -455,8 +457,6 @@ static struct dentry *devpts_mount(struct file_system_type *fs_type,
s->s_flags |= MS_ACTIVE;
}

- memcpy(&(DEVPTS_SB(s))->mount_opts, &opts, sizeof(opts));
-
error = mknod_ptmx(s);
if (error)
goto out_undo_sget;
--
2.8.3