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authorIngo Molnar <mingo@kernel.org>2025-03-08 00:54:06 +0100
committerIngo Molnar <mingo@kernel.org>2025-03-08 00:54:06 +0100
commitf23ecef20af6fbd489e0362d33cdf8d9429fa901 (patch)
tree713f06d8335b7c3388bbfbc46cb6d2a568951252 /kernel/bpf/ringbuf.c
parentc929d08df8bee855528b9d15b853c892c54e1eee (diff)
parent85b2b9c16d053364e2004883140538e73b333cdb (diff)
Merge branch 'locking/urgent' into locking/core, to pick up locking fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/bpf/ringbuf.c')
-rw-r--r--kernel/bpf/ringbuf.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
index e1cfe890e0be..1499d8caa9a3 100644
--- a/kernel/bpf/ringbuf.c
+++ b/kernel/bpf/ringbuf.c
@@ -268,8 +268,6 @@ static int ringbuf_map_mmap_kern(struct bpf_map *map, struct vm_area_struct *vma
/* allow writable mapping for the consumer_pos only */
if (vma->vm_pgoff != 0 || vma->vm_end - vma->vm_start != PAGE_SIZE)
return -EPERM;
- } else {
- vm_flags_clear(vma, VM_MAYWRITE);
}
/* remap_vmalloc_range() checks size and offset constraints */
return remap_vmalloc_range(vma, rb_map->rb,
@@ -289,8 +287,6 @@ static int ringbuf_map_mmap_user(struct bpf_map *map, struct vm_area_struct *vma
* position, and the ring buffer data itself.
*/
return -EPERM;
- } else {
- vm_flags_clear(vma, VM_MAYWRITE);
}
/* remap_vmalloc_range() checks size and offset constraints */
return remap_vmalloc_range(vma, rb_map->rb, vma->vm_pgoff + RINGBUF_PGOFF);