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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-11 09:54:03 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-11 09:54:03 +0300
commit2ca23ae59e997f1b6df7662d8ef10d9c471b46d0 (patch)
tree134c166348cacfc81e317e95cc63371bb2f11070 /drivers/usb/core
parentb9cf2cb524338c1257babb212420176e9e22f14a (diff)
parent2ef96a5bb12be62ef75b5828c0aab838ebb29cb8 (diff)
downloadlinux-2ca23ae59e997f1b6df7662d8ef10d9c471b46d0.tar.xz
Merge 5.7-rc5 into usb-next
We want the USB fixes in here too. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/devio.c5
-rw-r--r--drivers/usb/core/message.c4
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6833c918abce..b9db9812d6c5 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -217,6 +217,7 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma)
{
struct usb_memory *usbm = NULL;
struct usb_dev_state *ps = file->private_data;
+ struct usb_hcd *hcd = bus_to_hcd(ps->dev->bus);
size_t size = vma->vm_end - vma->vm_start;
void *mem;
unsigned long flags;
@@ -250,9 +251,7 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma)
usbm->vma_use_count = 1;
INIT_LIST_HEAD(&usbm->memlist);
- if (remap_pfn_range(vma, vma->vm_start,
- virt_to_phys(usbm->mem) >> PAGE_SHIFT,
- size, vma->vm_page_prot) < 0) {
+ if (dma_mmap_coherent(hcd->self.sysdev, vma, mem, dma_handle, size)) {
dec_usb_memory_use_count(usbm, &usbm->vma_use_count);
return -EAGAIN;
}
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index a48678a0c83a..6197938dcc2d 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1144,11 +1144,11 @@ void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
if (usb_endpoint_out(epaddr)) {
ep = dev->ep_out[epnum];
- if (reset_hardware)
+ if (reset_hardware && epnum != 0)
dev->ep_out[epnum] = NULL;
} else {
ep = dev->ep_in[epnum];
- if (reset_hardware)
+ if (reset_hardware && epnum != 0)
dev->ep_in[epnum] = NULL;
}
if (ep) {