diff options
Diffstat (limited to 'fs/pipe.c')
| -rw-r--r-- | fs/pipe.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/pipe.c b/fs/pipe.c index abaa9234d27b..d4b97e4e37c5 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -56,7 +56,7 @@ unsigned int pipe_min_size = PAGE_SIZE; static void pipe_lock_nested(struct pipe_inode_info *pipe, int subclass) { if (pipe->inode) - mutex_lock_nested(&pipe->inode->i_mutex, subclass); + mutex_lock_nested(&pipe->mutex, subclass); } void pipe_lock(struct pipe_inode_info *pipe) @@ -71,7 +71,7 @@ EXPORT_SYMBOL(pipe_lock); void pipe_unlock(struct pipe_inode_info *pipe) { if (pipe->inode) - mutex_unlock(&pipe->inode->i_mutex); + mutex_unlock(&pipe->mutex); } EXPORT_SYMBOL(pipe_unlock); @@ -777,6 +777,7 @@ struct pipe_inode_info * alloc_pipe_info(struct inode *inode) pipe->r_counter = pipe->w_counter = 1; pipe->inode = inode; pipe->buffers = PIPE_DEF_BUFFERS; + mutex_init(&pipe->mutex); return pipe; } kfree(pipe); |