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authorIngo Molnar <mingo@elte.hu>2008-09-05 18:56:57 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-05 18:56:57 +0200
commit616ad8c44281c0c6711a72b560e01ec335ff27e0 (patch)
tree0a20453ffedb09db6fb41a0c2208ccc2c7751d3a /kernel/capability.c
parent99809963c99e1ed868d9ebeb4a5e7ee1cbe0309f (diff)
parentb380b0d4f7dffcc235c0facefa537d4655619101 (diff)
Merge branch 'linus' into x86/defconfig
Diffstat (limited to 'kernel/capability.c')
-rw-r--r--kernel/capability.c21
1 files changed, 13 insertions, 8 deletions
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);