Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android

[firefly-linux-kernel-4.4.55.git] / security / smack / smack_lsm.c

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index ff81026f6ddbae7de368a1ae4bfbfeb1a66a9ae6..7c57c7fcf5a2cdec1ffb03a6e471f2b5511d0bd3 100644 (file)
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -398,12 +398,10 @@ static int smk_copy_relabel(struct list_head *nhead, struct list_head *ohead,
  */
 static inline unsigned int smk_ptrace_mode(unsigned int mode)
 {
-       switch (mode) {
-       case PTRACE_MODE_READ:
-               return MAY_READ;
-       case PTRACE_MODE_ATTACH:
+       if (mode & PTRACE_MODE_ATTACH)
                return MAY_READWRITE;
-       }
+       if (mode & PTRACE_MODE_READ)
+               return MAY_READ;
 
        return 0;
 }