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| author | Maxime Ripard <mripard@kernel.org> | 2024-01-22 09:44:15 +0100 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-01-22 09:44:15 +0100 |
| commit | cf79f291f985662150363b4a93d16f88f12643bc (patch) | |
| tree | a803f6e9b1e34f100783538955b9ce34628cd5dd /drivers/usb/mon/mon_bin.c | |
| parent | a20f1b02bafcbf5a32d96a1d4185d6981cf7d016 (diff) | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
Merge v6.8-rc1 into drm-misc-fixes
Let's kickstart the 6.8 fix cycle.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/usb/mon/mon_bin.c')
| -rw-r--r-- | drivers/usb/mon/mon_bin.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 9ca9305243fe..4e30de4db1c0 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1250,14 +1250,19 @@ static vm_fault_t mon_bin_vma_fault(struct vm_fault *vmf) struct mon_reader_bin *rp = vmf->vma->vm_private_data; unsigned long offset, chunk_idx; struct page *pageptr; + unsigned long flags; + spin_lock_irqsave(&rp->b_lock, flags); offset = vmf->pgoff << PAGE_SHIFT; - if (offset >= rp->b_size) + if (offset >= rp->b_size) { + spin_unlock_irqrestore(&rp->b_lock, flags); return VM_FAULT_SIGBUS; + } chunk_idx = offset / CHUNK_SIZE; pageptr = rp->b_vec[chunk_idx].pg; get_page(pageptr); vmf->page = pageptr; + spin_unlock_irqrestore(&rp->b_lock, flags); return 0; } |