aboutsummaryrefslogtreecommitdiffstats
path: root/net/xdp/xdp_umem.c
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2019-07-02 15:13:20 -0700
committerOlof Johansson <olof@lixom.net>2019-07-02 15:13:20 -0700
commit2659dc8d225c956b91d8a8e4ef05d91b2e985c02 (patch)
tree5cb6e035b6f154668f4f144b66ccc825a0c73df5 /net/xdp/xdp_umem.c
parentsoc: ti: fix irq-ti-sci link error (diff)
parentARM: davinci: da830-evm: fix GPIO lookup for OHCI (diff)
downloadlinux-dev-2659dc8d225c956b91d8a8e4ef05d91b2e985c02.tar.xz
linux-dev-2659dc8d225c956b91d8a8e4ef05d91b2e985c02.zip
Merge tag 'davinci-fixes-for-v5.2-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/fixes
This set of patches fixes regressions introduced in v5.2 kernel when DA8xx OHCI driver was converted over to use GPIO regulators. * tag 'davinci-fixes-for-v5.2-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: ARM: davinci: da830-evm: fix GPIO lookup for OHCI ARM: davinci: omapl138-hawk: add missing regulator constraints for OHCI ARM: davinci: da830-evm: add missing regulator constraints for OHCI + Linux 5.2-rc7 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'net/xdp/xdp_umem.c')
-rw-r--r--net/xdp/xdp_umem.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 2b18223e7eb8..9c6de4f114f8 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -143,6 +143,9 @@ static void xdp_umem_clear_dev(struct xdp_umem *umem)
struct netdev_bpf bpf;
int err;
+ if (!umem->dev)
+ return;
+
if (umem->zc) {
bpf.command = XDP_SETUP_XSK_UMEM;
bpf.xsk.umem = NULL;
@@ -156,11 +159,9 @@ static void xdp_umem_clear_dev(struct xdp_umem *umem)
WARN(1, "failed to disable umem!\n");
}
- if (umem->dev) {
- rtnl_lock();
- xdp_clear_umem_at_qid(umem->dev, umem->queue_id);
- rtnl_unlock();
- }
+ rtnl_lock();
+ xdp_clear_umem_at_qid(umem->dev, umem->queue_id);
+ rtnl_unlock();
if (umem->zc) {
dev_put(umem->dev);