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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-10-09 14:00:54 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-10-09 14:00:54 -0300
commita66d05d504a24894a8fdf11e4569752f313e5764 (patch)
tree2bb40c1f6c301b231d7aeaad08c190aa5a82ba1f /drivers/media/pci/cx25821/cx25821-video-upstream.c
parentbfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff)
parent5563caaf8b8cd22e35997d5d74cb3609df86b223 (diff)
Merge branch 'patchwork' into v4l_for_linus
* patchwork: (544 commits) [media] ir-hix5hd2: fix build on c6x arch [media] pt3: fix DTV FE I2C driver load error paths Revert "[media] media: em28xx - remove reset_resume interface" [media] exynos4-is: fix some warnings when compiling on arm64 [media] usb drivers: use %zu instead of %zd [media] pci drivers: use %zu instead of %zd [media] dvb-frontends: use %zu instead of %zd [media] s5p-mfc: Fix several printk warnings [media] s5p_mfc_opr: Fix warnings [media] ti-vpe: Fix typecast [media] s3c-camif: fix dma_addr_t printks [media] s5p_mfc_opr_v6: get rid of warnings when compiled with 64 bits [media] s5p_mfc_opr_v5: Fix lots of warnings on x86_64 [media] em28xx: Fix identation [media] drxd: remove a dead code [media] saa7146: remove return after BUG() [media] cx88: remove return after BUG() [media] cx88: fix cards table CodingStyle [media] radio-sf16fmr2: declare some structs as static [media] radio-sf16fmi: declare pnp_attached as static ... Conflicts: Documentation/DocBook/media/v4l/compat.xml
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-video-upstream.c')
-rw-r--r--drivers/media/pci/cx25821/cx25821-video-upstream.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream.c b/drivers/media/pci/cx25821/cx25821-video-upstream.c
index 1f43be0b04c..a664997e195 100644
--- a/drivers/media/pci/cx25821/cx25821-video-upstream.c
+++ b/drivers/media/pci/cx25821/cx25821-video-upstream.c
@@ -330,8 +330,9 @@ int cx25821_write_frame(struct cx25821_channel *chan,
if (frame_size - curpos < count)
count = frame_size - curpos;
- memcpy((char *)out->_data_buf_virt_addr + frame_offset + curpos,
- data, count);
+ if (copy_from_user((__force char *)out->_data_buf_virt_addr + frame_offset + curpos,
+ data, count))
+ return -EFAULT;
curpos += count;
if (curpos == frame_size) {
out->_frame_count++;