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| author | Jiri Kosina <jkosina@suse.com> | 2025-01-20 09:58:12 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2025-01-20 09:58:12 +0100 |
| commit | 670af65d2ab4a6a9bb72f014b080757e291ad3fe (patch) | |
| tree | d54ccf4ba52fa9f15ed8f1de6214edc53e1502be /drivers/usb/core/devio.c | |
| parent | 53078a736fbc60e5d3a1e14f4cd4214003815026 (diff) | |
| parent | 1b1d865715e0eda52e62226261651e97673773d6 (diff) | |
Merge branch 'for-6.14/constify-bin-attribute' into for-linus
- constification of 'struct bin_attribute' in various HID driver (Thomas Weißschuh)
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 3beb6a862e80..f6ce6e26e0d4 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -238,6 +238,9 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma) dma_addr_t dma_handle = DMA_MAPPING_ERROR; int ret; + if (!(file->f_mode & FMODE_WRITE)) + return -EPERM; + ret = usbfs_increase_memory_usage(size + sizeof(struct usb_memory)); if (ret) goto error; @@ -1295,7 +1298,7 @@ static int do_proc_bulk(struct usb_dev_state *ps, return ret; len1 = bulk->len; - if (len1 < 0 || len1 >= (INT_MAX - sizeof(struct urb))) + if (len1 >= (INT_MAX - sizeof(struct urb))) return -EINVAL; if (bulk->ep & USB_DIR_IN) |