[PATCH 03/12] sev-dev: use prepare credential guard
Christian Brauner <[email protected]>
| Newsgroups | gmane.linux.kernel.aio.general,gmane.linux.file-systems,gmane.linux.kernel,gmane.linux.file-systems.union,gmane.linux.nfs,gmane.linux.kernel.cifs,gmane.network.samba.internals,gmane.linux.kernel.cgroups,gmane.linux.network,gmane.linux.kernel.cryptoapi |
|---|---|
| Message-ID | <20251103-work-creds-guards-prepare_creds-v1-3-b447b82f2c9b@kernel.org> |
Use the prepare credential guard for allocating a new set of credentials. Signed-off-by: Christian Brauner <[email protected]> --- drivers/crypto/ccp/sev-dev.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index c5e22af04abb..09e4c9490d58 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -268,15 +268,16 @@ static struct file *open_file_as_root(const char *filename, int flags, umode_t m get_fs_root(init_task.fs, &root); task_unlock(&init_task); - cred = prepare_creds(); + CLASS(prepare_creds, cred)(); if (!cred) return ERR_PTR(-ENOMEM); + cred->fsuid = GLOBAL_ROOT_UID; old_cred = override_creds(cred); fp = file_open_root(&root, filename, flags, mode); - put_cred(revert_creds(old_cred)); + revert_creds(old_cred); return fp; } -- 2.47.3 -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to [email protected]. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: <a href=mailto:"[email protected]">[email protected]</a>