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| author | Siluxsept <ronny.horn.rh@gmail.com> | 2024-02-06 04:37:40 +0100 |
|---|---|---|
| committer | Siluxsept <ronny.horn.rh@gmail.com> | 2024-02-06 04:38:56 +0100 |
| commit | 8e8137ac800bdc27181743ec73d0e90e28b4e8af (patch) | |
| tree | 7e2fbc9d9e305e46414c21d08eeaeb1d56ccb0f0 /drivers/usb/mon/mon_bin.c | |
| parent | 9c2f9bfc860f0cd6f2d3320b5f72a0f4adf24b25 (diff) | |
merge branch lineage-20 into t13.0t13.0
https: //github.com/LineageOS/android_kernel_google_redbull
Change-Id: I4a450eb794cc99abf711ad3b5b82946092be84ba
Diffstat (limited to 'drivers/usb/mon/mon_bin.c')
| -rw-r--r-- | drivers/usb/mon/mon_bin.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index f48a23adbc35..094e812e9e69 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1268,6 +1268,11 @@ static int mon_bin_mmap(struct file *filp, struct vm_area_struct *vma) { /* don't do anything here: "fault" will set up page table entries */ vma->vm_ops = &mon_bin_vm_ops; + + if (vma->vm_flags & VM_WRITE) + return -EPERM; + + vma->vm_flags &= ~VM_MAYWRITE; vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; vma->vm_private_data = filp->private_data; mon_bin_vma_open(vma); |