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Commit 908cd275 authored by Robb Glasser's avatar Robb Glasser Committed by Jonathan Solnit
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Prevent potential double frees in sg driver


sg_ioctl could be spammed by requests, leading to a double free in
__free_pages. This protects the entry points of sg_ioctl where the
memory could be corrupted by a double call to __free_pages if multiple
requests are happening concurrently.

Bug:35644812

Change-Id: Ie13f65beb6974430f90292e2742841b26aecb8b1
Signed-off-by: default avatarRobb Glasser <rglasser@google.com>
parent 4d80c1b6
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