X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=kernel%2Fcapability.c;h=33e51e78c2d8672559fa4aa6d5dcc4d38d113627;hb=3d9101e92529e1ff6014f95a69afc82f37b9b13a;hp=0101e847603e675d46cbfd53154455e3ba8943de;hpb=c44df7413fd711bca818111b94cbd7ce5f3600a9;p=~andy%2Flinux diff --git a/kernel/capability.c b/kernel/capability.c index 0101e847603..33e51e78c2d 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -486,17 +486,22 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data) return ret; } -int __capable(struct task_struct *t, int cap) +/** + * capable - Determine if the current task has a superior capability in effect + * @cap: The capability to be tested for + * + * Return true if the current task has the given superior capability currently + * available for use, false if not. + * + * This sets PF_SUPERPRIV on the task if the capability is available on the + * assumption that it's about to be used. + */ +int capable(int cap) { - if (security_capable(t, cap) == 0) { - t->flags |= PF_SUPERPRIV; + if (has_capability(current, cap)) { + current->flags |= PF_SUPERPRIV; return 1; } return 0; } - -int capable(int cap) -{ - return __capable(current, cap); -} EXPORT_SYMBOL(capable);