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Commit 17b51631 authored by Venkatesh Yadav Abbarapu's avatar Venkatesh Yadav Abbarapu
Browse files

crypto: msm: ota: check zero length request 



Check zero length request.

Change-Id: I53f26d3df813c3dbd07258e14557cccb028a606f
Acked-by: default avatarChemin Hsieh <cheminh@qti.qualcomm.com>
Signed-off-by: default avatarRohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: default avatarVenkatesh Yadav Abbarapu <quicvenkat@codeaurora.org>
parent f3406196

drivers/crypto/msm/ota_crypto.c

+8 −0
Original line number Diff line number Diff line
@@ -468,6 +468,8 @@ static long qcota_ioctl(struct file *file, 
			       areq.req.f9_req.msize))

			return -EFAULT;



		if (areq.req.f9_req.msize == 0)

			return 0;

		k_buf = kmalloc(areq.req.f9_req.msize, GFP_KERNEL);

		if (k_buf == NULL)

			return -ENOMEM;
@@ -513,6 +515,8 @@ static long qcota_ioctl(struct file *file, 
				user_dst, total))

			return -EFAULT;



		if (!total)

			return 0;

		k_buf = kmalloc(total, GFP_KERNEL);

		if (k_buf == NULL)

			return -ENOMEM;
@@ -565,6 +569,8 @@ static long qcota_ioctl(struct file *file, 
				user_dst, total))

			return -EFAULT;



		if (!total)

			return 0;

		k_buf = kmalloc(total, GFP_KERNEL);

		if (k_buf == NULL)

			return -ENOMEM;
@@ -608,6 +614,8 @@ static long qcota_ioctl(struct file *file, 
			total = ALIGN(total, L1_CACHE_BYTES);

		}



		if (!total)

			return 0;

		k_buf = kmalloc(total, GFP_KERNEL);

		if (k_buf == NULL)

			return -ENOMEM;