lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

consolidate pipe file creation

Browse Source 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-07-21 15:33:25 +04:00
parent b5bcdda327
commit e4fad8e5d2
4 changed files with 34 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
fs/exec.c
View File

@@ -2069,25 +2069,18 @@ static void wait_for_dump_helpers(struct file *file)
*/
static int umh_pipe_setup(struct subprocess_info *info, struct cred *new)
{
struct file *rp, *wp;
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;
wp = create_write_pipe(0);
if (IS_ERR(wp))
return PTR_ERR(wp);
rp = create_read_pipe(wp, 0);
if (IS_ERR(rp)) {
free_write_pipe(wp);
return PTR_ERR(rp);
}
cp->file = wp;
cp->file = files[1];
sys_close(0);
fd_install(0, rp);
fd_install(0, files[0]);
spin_lock(&cf->file_lock);
fdt = files_fdtable(cf);
__set_open_fd(0, fdt);