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[media] media: ti-vpe: vpe: Return NULL for invalid buffer type

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get_q_data can be called with different values for type
e.g. vpe_try_crop calls it with the buffer type which gets passed
from user space

Framework doesn't check wheather its correct type or not
If user space passes wrong type, kernel should not crash.
Return NULL when the passed type is invalid.

Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Nikhil Devshatwar 2016-11-18 21:20:19 -02:00 committed by Mauro Carvalho Chehab
parent 8028bfed42
commit 072915b57a
1 changed files with 1 additions and 1 deletions
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2
drivers/media/platform/ti-vpe/vpe.c
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@ -420,7 +420,7 @@ static struct vpe_q_data *get_q_data(struct vpe_ctx *ctx,
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
return &ctx->q_data[Q_DATA_DST];
default:
BUG();
return NULL;
}
return NULL;
}