tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
1
fork

Configure Feed

Select the types of activity you want to include in your feed.

cred: add kernel_cred() helper

Access kernel creds based off of init_task. This will let us avoid any
direct access to init_cred.

Link: https://patch.msgid.link/20251103-work-creds-init_cred-v1-2-cb3ec8711a6a@kernel.org
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>

Christian Brauner 4c7ceeb6 4e97bae1

+7
+7
include/linux/cred.h
··· 20 20 struct cred; 21 21 struct inode; 22 22 23 + extern struct task_struct init_task; 24 + 23 25 /* 24 26 * COW Supplementary groups list 25 27 */ ··· 158 156 extern int commit_creds(struct cred *); 159 157 extern void abort_creds(struct cred *); 160 158 extern struct cred *prepare_kernel_cred(struct task_struct *); 159 + static inline const struct cred *kernel_cred(void) 160 + { 161 + /* shut up sparse */ 162 + return rcu_dereference_raw(init_task.cred); 163 + } 161 164 extern int set_security_override(struct cred *, u32); 162 165 extern int set_security_override_from_ctx(struct cred *, const char *); 163 166 extern int set_create_files_as(struct cred *, struct inode *);