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authorChristoph Hellwig <hch@lst.de>2020-07-23 09:09:07 +0300
committerDavid S. Miller <davem@davemloft.net>2020-07-25 01:41:54 +0300
commita7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch)
treea87e011ba3a0d76fda030b3a62080caa97fae1ef /net/phonet
parentd38d2b00ba64b3f2f30d70a7929000606d2c4509 (diff)
downloadlinux-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.xz
net: pass a sockptr_t into ->setsockopt
Rework the remaining setsockopt code to pass a sockptr_t instead of a plain user pointer. This removes the last remaining set_fs(KERNEL_DS) outside of architecture specific code. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154] Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/phonet')
-rw-r--r--net/phonet/pep.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 4577e43cb777..e47d09aca4af 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -975,7 +975,7 @@ static int pep_init(struct sock *sk)
}
static int pep_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
struct pep_sock *pn = pep_sk(sk);
int val = 0, err = 0;
@@ -983,7 +983,7 @@ static int pep_setsockopt(struct sock *sk, int level, int optname,
if (level != SOL_PNPIPE)
return -ENOPROTOOPT;
if (optlen >= sizeof(int)) {
- if (get_user(val, (int __user *) optval))
+ if (copy_from_sockptr(&val, optval, sizeof(int)))
return -EFAULT;
}