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path: root/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-compat-ioctl32.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-compat-ioctl32.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 04b2daf567be..7e2411c36419 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -178,6 +178,9 @@ struct v4l2_create_buffers32 {
178 178
179static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) 179static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
180{ 180{
181 if (get_user(kp->type, &up->type))
182 return -EFAULT;
183
181 switch (kp->type) { 184 switch (kp->type) {
182 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 185 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
183 case V4L2_BUF_TYPE_VIDEO_OUTPUT: 186 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
@@ -204,17 +207,16 @@ static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __us
204 207
205static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) 208static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
206{ 209{
207 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) || 210 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)))
208 get_user(kp->type, &up->type)) 211 return -EFAULT;
209 return -EFAULT;
210 return __get_v4l2_format32(kp, up); 212 return __get_v4l2_format32(kp, up);
211} 213}
212 214
213static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up) 215static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
214{ 216{
215 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_create_buffers32)) || 217 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_create_buffers32)) ||
216 copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format.fmt))) 218 copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format)))
217 return -EFAULT; 219 return -EFAULT;
218 return __get_v4l2_format32(&kp->format, &up->format); 220 return __get_v4l2_format32(&kp->format, &up->format);
219} 221}
220 222