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| author | David Howells <dhowells@redhat.com> | 2008-11-14 10:38:37 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-11-14 10:38:37 +1100 |
| commit | b4212737a39e4cfb0fb66769acbc0bd182a93253 (patch) | |
| tree | 96a3b7aa0a8d6aa94baaf25204e77254625eab6c /arch/mips/kernel/mips-mt-fpaff.c | |
| parent | ef81ee9855d6c605ed6090a8018c78572cc68b5c (diff) | |
| download | kernel_samsung_smdk4412-b4212737a39e4cfb0fb66769acbc0bd182a93253.zip kernel_samsung_smdk4412-b4212737a39e4cfb0fb66769acbc0bd182a93253.tar.gz kernel_samsung_smdk4412-b4212737a39e4cfb0fb66769acbc0bd182a93253.tar.bz2 | |
CRED: Wrap task credential accesses in the MIPS arch
Wrap access to task credentials so that they can be separated more easily from
the task_struct during the introduction of COW creds.
Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id().
Change some task->e?[ug]id to task_e?[ug]id(). In some places it makes more
sense to use RCU directly rather than a convenient wrapper; these will be
addressed by later patches.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/mips/kernel/mips-mt-fpaff.c')
| -rw-r--r-- | arch/mips/kernel/mips-mt-fpaff.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index dc9eb72..5e77a3a 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -51,6 +51,7 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len, int retval; struct task_struct *p; struct thread_info *ti; + uid_t euid; if (len < sizeof(new_mask)) return -EINVAL; @@ -76,9 +77,9 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len, */ get_task_struct(p); + euid = current_euid(); retval = -EPERM; - if ((current->euid != p->euid) && (current->euid != p->uid) && - !capable(CAP_SYS_NICE)) { + if (euid != p->euid && euid != p->uid && !capable(CAP_SYS_NICE)) { read_unlock(&tasklist_lock); goto out_unlock; } |