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create_pipe_files(): use fput() if allocation of the second file fails

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... just use put_pipe_info() to get the pipe->files down to 1 and let
fput()-called pipe_release() do freeing.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-07-09 02:29:58 -04:00
parent 19f391eb05
commit b10a4a9f76
1 changed files with 3 additions and 4 deletions
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7
fs/pipe.c
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@ -771,8 +771,9 @@ int create_pipe_files(struct file **res, int flags)
res[0] = alloc_file(&path, FMODE_READ, &pipefifo_fops);
if (IS_ERR(res[0])) {
err = PTR_ERR(res[0]);
goto err_file;
put_pipe_info(inode, inode->i_pipe);
fput(f);
return PTR_ERR(res[0]);
}
path_get(&path);
@ -781,8 +782,6 @@ int create_pipe_files(struct file **res, int flags)
res[1] = f;
return 0;
err_file:
put_filp(f);
err_dentry:
free_pipe_info(inode->i_pipe);
path_put(&path);