Switch from find_vmap_area() to find_unlink_vmap_area() to prevent a double access to the vmap_area_lock: one for finding area, second time is for unlinking from a tree. Reviewed-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx> --- mm/vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index eb91ecaa7277..70e5000b9d68 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2252,7 +2252,7 @@ void vm_unmap_ram(const void *mem, unsigned int count) return; } - va = find_vmap_area(addr); + va = find_unlink_vmap_area(addr); BUG_ON(!va); debug_check_no_locks_freed((void *)va->va_start, (va->va_end - va->va_start)); -- 2.30.2
