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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:43:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:43:50 +0200 |
| commit | 422d2245136a2c49550dc83ca9735dd4d8ea71f7 (patch) | |
| tree | 8dc42f707efcce275baba950be2076ec830f52f4 /kernel/usermode_driver.c | |
| parent | firmware: google: Enable s0ix logging by default (diff) | |
| parent | Linux 5.12-rc6 (diff) | |
Merge 5.12-rc6 into char-misc-next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/usermode_driver.c')
| -rw-r--r-- | kernel/usermode_driver.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/kernel/usermode_driver.c b/kernel/usermode_driver.c index 0b35212ffc3d..bb7bb3b478ab 100644 --- a/kernel/usermode_driver.c +++ b/kernel/usermode_driver.c @@ -139,13 +139,22 @@ static void umd_cleanup(struct subprocess_info *info) struct umd_info *umd_info = info->data; /* cleanup if umh_setup() was successful but exec failed */ - if (info->retval) { - fput(umd_info->pipe_to_umh); - fput(umd_info->pipe_from_umh); - put_pid(umd_info->tgid); - umd_info->tgid = NULL; - } + if (info->retval) + umd_cleanup_helper(umd_info); +} + +/** + * umd_cleanup_helper - release the resources which were allocated in umd_setup + * @info: information about usermode driver + */ +void umd_cleanup_helper(struct umd_info *info) +{ + fput(info->pipe_to_umh); + fput(info->pipe_from_umh); + put_pid(info->tgid); + info->tgid = NULL; } +EXPORT_SYMBOL_GPL(umd_cleanup_helper); /** * fork_usermode_driver - fork a usermode driver |