UPSTREAM: xfrm/compat: Don't allocate memory with __GFP_ZERO

32-bit to 64-bit messages translator zerofies needed paddings in the
translation, the rest is the actual payload.
Don't allocate zero pages as they are not needed.

Fixes: 5106f4a8acff ("xfrm/compat: Add 32=>64-bit messages translator")
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
(cherry picked from commit ad37f77fd3659e87fd9833a83692e0e4eba0f5cd)
Bug: 187129171
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: Icefe6cd5ed03975f0f87cc1b126cfe55b36c35e5
This commit is contained in:
Dmitry Safonov 2020-11-02 16:14:47 +00:00 committed by Connor O'Brien
parent a9cedd3032
commit ee97d20c7e

View File

@ -563,7 +563,7 @@ static struct nlmsghdr *xfrm_user_rcv_msg_compat(const struct nlmsghdr *h32,
return NULL;
len += NLMSG_HDRLEN;
h64 = kvmalloc(len, GFP_KERNEL | __GFP_ZERO);
h64 = kvmalloc(len, GFP_KERNEL);
if (!h64)
return ERR_PTR(-ENOMEM);