| From | Liam Howlett <> | Subject | [PATCH 15/94] kernel/events/uprobes: Use vma_lookup() in find_active_uprobe() | Date | Wed, 28 Apr 2021 15:35:49 +0000 |
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vma_lookup() will only return the VMA which contains the address requested so the code is easier to read.
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> --- kernel/events/uprobes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 6addc9780319..907d4ee00cb2 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -2046,8 +2046,8 @@ static struct uprobe *find_active_uprobe(unsigned long bp_vaddr, int *is_swbp) struct vm_area_struct *vma; mmap_read_lock(mm); - vma = find_vma(mm, bp_vaddr); - if (vma && vma->vm_start <= bp_vaddr) { + vma = vma_lookup(mm, bp_vaddr); + if (vma) { if (valid_vma(vma, false)) { struct inode *inode = file_inode(vma->vm_file); loff_t offset = vaddr_to_offset(vma, bp_vaddr); -- 2.30.2
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