Merge branch 'akpm' (patches from Andrew Morton)

[cascardo/linux.git] / fs / exec.c

diff --git a/fs/exec.c b/fs/exec.c
index be4c81c..977319f 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1664,6 +1664,12 @@ int __get_dumpable(unsigned long mm_flags)
        return (ret > SUID_DUMP_USER) ? SUID_DUMP_ROOT : ret;
 }
 
+/*
+ * This returns the actual value of the suid_dumpable flag. For things
+ * that are using this for checking for privilege transitions, it must
+ * test against SUID_DUMP_USER rather than treating it as a boolean
+ * value.
+ */
 int get_dumpable(struct mm_struct *mm)
 {
        return __get_dumpable(mm->flags);