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-rw-r--r--fs/pipe.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index eaa3c8d36291..83a292464de7 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -629,24 +629,30 @@ struct pipe_inode_info *alloc_pipe_info(void)
if (pipe == NULL)
goto out_free_uid;
- if (!too_many_pipe_buffers_hard(user)) {
- if (too_many_pipe_buffers_soft(user))
- pipe_bufs = 1;
- pipe->bufs = kcalloc(pipe_bufs,
- sizeof(struct pipe_buffer),
- GFP_KERNEL_ACCOUNT);
+ account_pipe_buffers(user, 0, pipe_bufs);
+
+ if (too_many_pipe_buffers_soft(user)) {
+ account_pipe_buffers(user, pipe_bufs, 1);
+ pipe_bufs = 1;
}
+ if (too_many_pipe_buffers_hard(user))
+ goto out_revert_acct;
+
+ pipe->bufs = kcalloc(pipe_bufs, sizeof(struct pipe_buffer),
+ GFP_KERNEL_ACCOUNT);
+
if (pipe->bufs) {
init_waitqueue_head(&pipe->wait);
pipe->r_counter = pipe->w_counter = 1;
pipe->buffers = pipe_bufs;
pipe->user = user;
- account_pipe_buffers(user, 0, pipe_bufs);
mutex_init(&pipe->mutex);
return pipe;
}
+out_revert_acct:
+ account_pipe_buffers(user, pipe_bufs, 0);
kfree(pipe);
out_free_uid:
free_uid(user);