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| author | David S. Miller <davem@davemloft.net> | 2009-03-04 23:59:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-04 23:59:54 -0800 |
| commit | 77827a7cf3aa415f8afec6d9d0537dda8de90ef1 (patch) | |
| tree | 503ab81e2b997e3625360b380f1cd18f923a6454 /kernel/user.c | |
| parent | 9d40bbda599def1e1d155d7f7dca14fe8744bd2b (diff) | |
| parent | 559595a985e106d2fa9f0c79b7f5805453fed593 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'kernel/user.c')
| -rw-r--r-- | kernel/user.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/user.c b/kernel/user.c index 3551ac742395..6a9b696128c8 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -362,6 +362,24 @@ static void free_user(struct user_struct *up, unsigned long flags) #endif +#if defined(CONFIG_RT_GROUP_SCHED) && defined(CONFIG_USER_SCHED) +/* + * We need to check if a setuid can take place. This function should be called + * before successfully completing the setuid. + */ +int task_can_switch_user(struct user_struct *up, struct task_struct *tsk) +{ + + return sched_rt_can_attach(up->tg, tsk); + +} +#else +int task_can_switch_user(struct user_struct *up, struct task_struct *tsk) +{ + return 1; +} +#endif + /* * Locate the user_struct for the passed UID. If found, take a ref on it. The * caller must undo that ref with free_uid(). |