A "word" is 16 bit. 32 bit integers like virtio pci uses are not words,
they are actually dwords. Fix up the macro name accordingly.
Fixes: e7d4c1c5a546 ("virtio: introduce extended features")
Cc: "Paolo Abeni" <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
---
drivers/virtio/virtio_pci_modern_dev.c | 6 +++---
include/linux/virtio_features.h | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/virtio/virtio_pci_modern_dev.c
b/drivers/virtio/virtio_pci_modern_dev.c
index 9e503b7a58d8..4b619cc91bc7 100644
--- a/drivers/virtio/virtio_pci_modern_dev.c
+++ b/drivers/virtio/virtio_pci_modern_dev.c
@@ -401,7 +401,7 @@ void vp_modern_get_extended_features(struct
virtio_pci_modern_device *mdev,
int i;
virtio_features_zero(features);
- for (i = 0; i < VIRTIO_FEATURES_WORDS; i++) {
+ for (i = 0; i < VIRTIO_FEATURES_DWORDS; i++) {
u64 cur;
vp_iowrite32(i, &cfg->device_feature_select);
@@ -427,7 +427,7 @@ vp_modern_get_driver_extended_features(struct
virtio_pci_modern_device *mdev,
int i;
virtio_features_zero(features);
- for (i = 0; i < VIRTIO_FEATURES_WORDS; i++) {
+ for (i = 0; i < VIRTIO_FEATURES_DWORDS; i++) {
u64 cur;
vp_iowrite32(i, &cfg->guest_feature_select);
@@ -448,7 +448,7 @@ void vp_modern_set_extended_features(struct
virtio_pci_modern_device *mdev,
struct virtio_pci_common_cfg __iomem *cfg = mdev->common;
int i;
- for (i = 0; i < VIRTIO_FEATURES_WORDS; i++) {
+ for (i = 0; i < VIRTIO_FEATURES_DWORDS; i++) {
u32 cur = features[i >> 1] >> (32 * (i & 1));
vp_iowrite32(i, &cfg->guest_feature_select);
diff --git a/include/linux/virtio_features.h b/include/linux/virtio_features.h
index bf41d8ec50ef..f41acb035af9 100644
--- a/include/linux/virtio_features.h
+++ b/include/linux/virtio_features.h
@@ -6,7 +6,7 @@
#define VIRTIO_FEATURES_QWORDS 2
#define VIRTIO_FEATURES_MAX (VIRTIO_FEATURES_QWORDS * 64)
-#define VIRTIO_FEATURES_WORDS (VIRTIO_FEATURES_QWORDS * 2)
+#define VIRTIO_FEATURES_DWORDS (VIRTIO_FEATURES_QWORDS * 2)
#define VIRTIO_BIT(b) BIT_ULL((b) & 0x3f)
#define VIRTIO_QWORD(b) ((b) >> 6)
#define VIRTIO_DECLARE_FEATURES(name) \
--
MST
