diff options
Diffstat (limited to 'drivers/virt/vboxguest/vboxguest_utils.c')
| -rw-r--r-- | drivers/virt/vboxguest/vboxguest_utils.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/virt/vboxguest/vboxguest_utils.c b/drivers/virt/vboxguest/vboxguest_utils.c index 0f0dab8023cf..bf4474214b4d 100644 --- a/drivers/virt/vboxguest/vboxguest_utils.c +++ b/drivers/virt/vboxguest/vboxguest_utils.c @@ -65,8 +65,9 @@ VBG_LOG(vbg_debug, pr_debug); void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) { struct vmmdev_request_header *req; + int order = get_order(PAGE_ALIGN(len)); - req = kmalloc(len, GFP_KERNEL | __GFP_DMA32); + req = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA32, order); if (!req) return NULL; @@ -82,6 +83,14 @@ void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) return req; } +void vbg_req_free(void *req, size_t len) +{ + if (!req) + return; + + free_pages((unsigned long)req, get_order(PAGE_ALIGN(len))); +} + /* Note this function returns a VBox status code, not a negative errno!! */ int vbg_req_perform(struct vbg_dev *gdev, void *req) { @@ -137,7 +146,7 @@ int vbg_hgcm_connect(struct vbg_dev *gdev, rc = hgcm_connect->header.result; } - kfree(hgcm_connect); + vbg_req_free(hgcm_connect, sizeof(*hgcm_connect)); *vbox_status = rc; return 0; @@ -166,7 +175,7 @@ int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status) if (rc >= 0) rc = hgcm_disconnect->header.result; - kfree(hgcm_disconnect); + vbg_req_free(hgcm_disconnect, sizeof(*hgcm_disconnect)); *vbox_status = rc; return 0; @@ -623,7 +632,7 @@ int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, } if (!leak_it) - kfree(call); + vbg_req_free(call, size); free_bounce_bufs: if (bounce_bufs) { |