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authorDave Airlie <airlied@redhat.com>2018-01-18 09:32:15 +1000
committerDave Airlie <airlied@redhat.com>2018-01-18 09:32:15 +1000
commit4a6cc7a44e98a0460bd094b68c75f0705fdc450a (patch)
treeb8c86a1e0342b1166ab52c4d79e404eede57abec /net/netfilter/xt_bpf.c
parent8563188e37b000979ab66521f4337df9a3453223 (diff)
parenta8750ddca918032d6349adbf9a4b6555e7db20da (diff)
downloadlinux-4a6cc7a44e98a0460bd094b68c75f0705fdc450a.tar.bz2
BackMerge tag 'v4.15-rc8' into drm-next
Linux 4.15-rc8 Daniel requested this for so the intel CI won't fall over on drm-next so often.
Diffstat (limited to 'net/netfilter/xt_bpf.c')
-rw-r--r--net/netfilter/xt_bpf.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/net/netfilter/xt_bpf.c b/net/netfilter/xt_bpf.c
index 1f7fbd3c7e5a..06b090d8e901 100644
--- a/net/netfilter/xt_bpf.c
+++ b/net/netfilter/xt_bpf.c
@@ -55,21 +55,11 @@ static int __bpf_mt_check_fd(int fd, struct bpf_prog **ret)
static int __bpf_mt_check_path(const char *path, struct bpf_prog **ret)
{
- mm_segment_t oldfs = get_fs();
- int retval, fd;
-
if (strnlen(path, XT_BPF_PATH_MAX) == XT_BPF_PATH_MAX)
return -EINVAL;
- set_fs(KERNEL_DS);
- fd = bpf_obj_get_user(path, 0);
- set_fs(oldfs);
- if (fd < 0)
- return fd;
-
- retval = __bpf_mt_check_fd(fd, ret);
- sys_close(fd);
- return retval;
+ *ret = bpf_prog_get_type_path(path, BPF_PROG_TYPE_SOCKET_FILTER);
+ return PTR_ERR_OR_ZERO(*ret);
}
static int bpf_mt_check(const struct xt_mtchk_param *par)