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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-08-21 12:11:46 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-26 21:09:57 -0400 |
| commit | 8280d16172243702ed43432f826ca6130edb4086 (patch) | |
| tree | 020dff359c5b717a110432159bcc3ec1acf6594e /fs/exec.c | |
| parent | fe17f22d7fd0e344ef6447238f799bb49f670c6f (diff) | |
| download | linux-3.10-8280d16172243702ed43432f826ca6130edb4086.tar.gz linux-3.10-8280d16172243702ed43432f826ca6130edb4086.tar.bz2 linux-3.10-8280d16172243702ed43432f826ca6130edb4086.zip | |
new helper: replace_fd()
analog of dup2(), except that it takes struct file * as source.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/fs/exec.c b/fs/exec.c index f2b6af585d4..3fc74681cc6 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -2041,23 +2041,14 @@ static void wait_for_dump_helpers(struct file *file) static int umh_pipe_setup(struct subprocess_info *info, struct cred *new) { struct file *files[2]; - struct fdtable *fdt; struct coredump_params *cp = (struct coredump_params *)info->data; - struct files_struct *cf = current->files; int err = create_pipe_files(files, 0); if (err) return err; cp->file = files[1]; - sys_close(0); - fd_install(0, files[0]); - spin_lock(&cf->file_lock); - fdt = files_fdtable(cf); - __set_open_fd(0, fdt); - __clear_close_on_exec(0, fdt); - spin_unlock(&cf->file_lock); - + replace_fd(0, files[0], 0); /* and disallow core files too */ current->signal->rlim[RLIMIT_CORE] = (struct rlimit){1, 1}; |