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Commit 3e657b1e authored by Terence Ho's avatar Terence Ho
Browse files

msm: ais: cpp fix to check zero length ioctl 



Port of ioctl validation for zero length ioctl
from camera_v2.

Change-Id: I635522f331d1e18641196ee3101c64ccc285636a
CRs-fixed: 2025367
Signed-off-by: default avatarTerence Ho <terenceh@codeaurora.org>
parent e539a094

drivers/media/platform/msm/ais/pproc/cpp/msm_cpp.c

+5 −2
Original line number Diff line number Diff line
@@ -2868,6 +2868,8 @@ static int msm_cpp_validate_input(unsigned int cmd, void *arg, 
	case MSM_SD_SHUTDOWN:

	case MSM_SD_NOTIFY_FREEZE:

	case MSM_SD_UNNOTIFY_FREEZE:

	case VIDIOC_MSM_CPP_IOMMU_ATTACH:

	case VIDIOC_MSM_CPP_IOMMU_DETACH:

		break;

	default: {

		if (ioctl_ptr == NULL) {
@@ -2876,8 +2878,9 @@ static int msm_cpp_validate_input(unsigned int cmd, void *arg, 
		}



		*ioctl_ptr = arg;

		if ((*ioctl_ptr == NULL) ||

			(*ioctl_ptr)->ioctl_ptr == NULL) {

		if (((*ioctl_ptr) == NULL) ||

			((*ioctl_ptr)->ioctl_ptr == NULL) ||

			((*ioctl_ptr)->len == 0)) {

			pr_err("Error invalid ioctl argument cmd %u", cmd);

			return -EINVAL;

		}