Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1a16f33e authored by Charan Teja Reddy's avatar Charan Teja Reddy
Browse files

msm_ion: set ptr to NULL on unmap 



Set ptr to NULL on unmap to avoid using stale pointer.

Change-Id: I2cc8b70d6574ed59a84e567f750681d5b6335bd1
Signed-off-by: default avatarCharan Teja Reddy <charante@codeaurora.org>
parent 513494c8

drivers/staging/android/ion/msm/msm_ion.c

+2 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -910,6 +910,7 @@ int msm_ion_heap_pages_zero(struct page **pages, int num_pages) 


		memset(ptr, 0, npages_to_vmap * PAGE_SIZE);

		vunmap(ptr);

		ptr = NULL;

	}



	return 0;