Refactor autofs_prepare_pipe() by seperating out a check function
to be used later.
Signed-off-by: Ian Kent <[email protected]>
---
fs/autofs/autofs_i.h | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/fs/autofs/autofs_i.h b/fs/autofs/autofs_i.h
index d5a44fa88acf..c24d32be7937 100644
--- a/fs/autofs/autofs_i.h
+++ b/fs/autofs/autofs_i.h
@@ -209,12 +209,20 @@ int autofs_fill_super(struct super_block *, void *, int);
struct autofs_info *autofs_new_ino(struct autofs_sb_info *);
void autofs_clean_ino(struct autofs_info *);
-static inline int autofs_prepare_pipe(struct file *pipe)
+static inline int autofs_check_pipe(struct file *pipe)
{
if (!(pipe->f_mode & FMODE_CAN_WRITE))
return -EINVAL;
if (!S_ISFIFO(file_inode(pipe)->i_mode))
return -EINVAL;
+ return 0;
+}
+
+static inline int autofs_prepare_pipe(struct file *pipe)
+{
+ int ret = autofs_check_pipe(pipe);
+ if (ret < 0)
+ return ret;
/* We want a packet pipe */
pipe->f_flags |= O_DIRECT;
/* We don't expect -EAGAIN */