security/keys/keyctl.c: suppress memory allocation failure warning

This allocation may be large.  The code is probing to see if it will
succeed and if not, it falls back to vmalloc().  We should suppress any
page-allocation failure messages when the fallback happens.

Reported-by: Dave Jones <davej@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index fb767c6cd99f6a92da8fa989999a18988bce1a19..788cfc6965d2558b039748823ba1e993451fb10f 100644 (file)
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -84,7 +84,7 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type,
        vm = false;
        if (_payload) {
                ret = -ENOMEM;
-               payload = kmalloc(plen, GFP_KERNEL);
+               payload = kmalloc(plen, GFP_KERNEL | __GFP_NOWARN);
                if (!payload) {
                        if (plen <= PAGE_SIZE)
                                goto error2;