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41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
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From 91ea960b91250eca57d8fbdb8aafa11d80695d46 Mon Sep 17 00:00:00 2001
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From: VijayaKumar T M <vtmuni@codeaurora.org>
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Date: Wed, 8 Jun 2016 16:32:11 +0530
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Subject: msm: camera: ispif: Validate VFE num input during reset
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Userspace supplies the actual number of used VFEs in session to ISPIF.
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Validate the userspace input value and if found to be invalid, return
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error.
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CRs-Fixed: 898074
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Signed-off-by: Venu Yeshala <vyeshala@codeaurora.org>
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Signed-off-by: VijayaKumar T M <vtmuni@codeaurora.org>
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Change-Id: I3288ddb6404e817a705a92281b4c54666f372c56
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---
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drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
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index 7fb1ac1..94735fd 100644
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--- a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
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+++ b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
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@@ -1133,9 +1133,13 @@ static irqreturn_t msm_io_ispif_irq(int irq_num, void *data)
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static int msm_ispif_set_vfe_info(struct ispif_device *ispif,
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struct msm_ispif_vfe_info *vfe_info)
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{
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- memcpy(&ispif->vfe_info, vfe_info, sizeof(struct msm_ispif_vfe_info));
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- if (ispif->vfe_info.num_vfe > ispif->hw_num_isps)
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+ if (!vfe_info || (vfe_info->num_vfe <= 0) ||
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+ ((uint32_t)(vfe_info->num_vfe) > ispif->hw_num_isps)) {
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+ pr_err("Invalid VFE info: %p %d\n", vfe_info,
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+ (vfe_info ? vfe_info->num_vfe:0));
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return -EINVAL;
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+ }
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+ memcpy(&ispif->vfe_info, vfe_info, sizeof(struct msm_ispif_vfe_info));
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return 0;
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}
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--
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cgit v1.1
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