ion: ensure valid start address



Ensure valid start address to check for vaddress
bounds.

Change-Id: I02c0ce85d9a495880c133e66553b09159daa8f0c
Signed-off-by: Pratap Nirujogi <pratapn@codeaurora.org>

parent 4041d09a

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -838,7 +838,7 @@ long msm_ion_custom_ioctl(struct ion_client *client,
		data.flush_data.offset;
		end = start + data.flush_data.length;

		if (check_vaddr_bounds(start, end)) {
		if (start && check_vaddr_bounds(start, end)) {
		pr_err("%s: virtual address %pK is out of bounds\n",
		__func__, data.flush_data.vaddr);
		ret = -EINVAL;