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umh: Stop calling do_execve_file

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With the user mode driver code changed to not set subprocess_info.file
there are no more users of subproces_info.file.  Remove this field
from struct subprocess_info and remove the only user in
call_usermodehelper_exec_async that would call do_execve_file instead
of do_execve if file was set.

v1: https://lkml.kernel.org/r/877dvuf0i7.fsf_-_@x220.int.ebiederm.org
v2: https://lkml.kernel.org/r/87r1tx4p2a.fsf_-_@x220.int.ebiederm.org
Link: https://lkml.kernel.org/r/20200702164140.4468-9-ebiederm@xmission.com
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2020-06-25 13:52:50 -05:00
parent e2dc9bf3f5
commit 55e6074e3f
2 changed files with 3 additions and 8 deletions
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1
include/linux/umh.h
View File

@ -22,7 +22,6 @@ struct subprocess_info {
const char *path;
char **argv;
char **envp;
struct file *file;
int wait;
int retval;
int (*init)(struct subprocess_info *info, struct cred *new);

10
kernel/umh.c
View File

@ -98,13 +98,9 @@ static int call_usermodehelper_exec_async(void *data)
commit_creds(new);
if (sub_info->file)
retval = do_execve_file(sub_info->file,
sub_info->argv, sub_info->envp);
else
retval = do_execve(getname_kernel(sub_info->path),
(const char __user *const __user *)sub_info->argv,
(const char __user *const __user *)sub_info->envp);
retval = do_execve(getname_kernel(sub_info->path),
(const char __user *const __user *)sub_info->argv,
(const char __user *const __user *)sub_info->envp);
out:
sub_info->retval = retval;
/*