smb3: do not attempt multichannel to server which does not support it

[linux-2.6-microblaze.git] / kernel / sys.c

diff --git a/kernel/sys.c b/kernel/sys.c
index b09fe21..3d62c95 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -119,6 +119,12 @@
 #ifndef PAC_RESET_KEYS
 # define PAC_RESET_KEYS(a, b)  (-EINVAL)
 #endif
+#ifndef PAC_SET_ENABLED_KEYS
+# define PAC_SET_ENABLED_KEYS(a, b, c) (-EINVAL)
+#endif
+#ifndef PAC_GET_ENABLED_KEYS
+# define PAC_GET_ENABLED_KEYS(a)       (-EINVAL)
+#endif
 #ifndef SET_TAGGED_ADDR_CTRL
 # define SET_TAGGED_ADDR_CTRL(a)       (-EINVAL)
 #endif
@@ -2079,7 +2085,7 @@ static int prctl_set_auxv(struct mm_struct *mm, unsigned long addr,
         * up to the caller to provide sane values here, otherwise userspace
         * tools which use this vector might be unhappy.
         */
-       unsigned long user_auxv[AT_VECTOR_SIZE];
+       unsigned long user_auxv[AT_VECTOR_SIZE] = {};
 
        if (len > sizeof(user_auxv))
                return -EINVAL;
@@ -2497,6 +2503,16 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
                        return -EINVAL;
                error = PAC_RESET_KEYS(me, arg2);
                break;
+       case PR_PAC_SET_ENABLED_KEYS:
+               if (arg4 || arg5)
+                       return -EINVAL;
+               error = PAC_SET_ENABLED_KEYS(me, arg2, arg3);
+               break;
+       case PR_PAC_GET_ENABLED_KEYS:
+               if (arg2 || arg3 || arg4 || arg5)
+                       return -EINVAL;
+               error = PAC_GET_ENABLED_KEYS(me);
+               break;
        case PR_SET_TAGGED_ADDR_CTRL:
                if (arg3 || arg4 || arg5)
                        return -EINVAL;