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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-29 14:29:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-29 14:29:58 -0700
commit134bf98c5596605af90f104716ef912e8f7eb56b (patch)
treeb41d585cc432100933e790ad8cab21e970e6d8f6 /drivers/media/pci/ivtv/ivtv-ioctl.c
parent044ee890286153a1aefb40cb8b6659921aecb38b (diff)
parent3b796aa60af087f5fec75aee9b17f2130f2b9adc (diff)
Merge tag 'media/v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - new dvb frontend driver: lnbh29 - new sensor drivers: imx319 and imx 355 - some old soc_camera driver renames to avoid conflict with new drivers - new i.MX Pixel Pipeline (PXP) mem-to-mem platform driver - a new V4L2 frontend for the FWHT codec - several other improvements, bug fixes, code cleanups, etc * tag 'media/v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (289 commits) media: rename soc_camera I2C drivers media: cec: forgot to cancel delayed work media: vivid: Support 480p for webcam capture media: v4l2-tpg: fix kernel oops when enabling HFLIP and OSD media: vivid: Add 16-bit bayer to format list media: v4l2-tpg-core: Add 16-bit bayer media: pvrusb2: replace `printk` with `pr_*` media: venus: vdec: fix decoded data size media: cx231xx: fix potential sign-extension overflow on large shift media: dt-bindings: media: rcar_vin: add device tree support for r8a7744 media: isif: fix a NULL pointer dereference bug media: exynos4-is: make const array config_ids static media: cx23885: make const array addr_list static media: ivtv: make const array addr_list static media: bttv-input: make const array addr_list static media: cx18: Don't check for address of video_dev media: dw9807-vcm: Fix probe error handling media: dw9714: Remove useless error message media: dw9714: Fix error handling in probe function media: cec: name for RC passthrough device does not need 'RC for' ...
Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-ioctl.c')
-rw-r--r--drivers/media/pci/ivtv/ivtv-ioctl.c42
1 files changed, 36 insertions, 6 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index 4cdc6d2be85d..a66f8b872520 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -36,6 +36,7 @@
#include <media/tveeprom.h>
#include <media/v4l2-event.h>
#ifdef CONFIG_VIDEO_IVTV_DEPRECATED_IOCTLS
+#include <linux/compat.h>
#include <linux/dvb/audio.h>
#include <linux/dvb/video.h>
#endif
@@ -747,8 +748,8 @@ static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vc
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[id->type];
- strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
- strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
+ strscpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
+ strscpy(vcap->card, itv->card_name, sizeof(vcap->card));
snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->pdev));
vcap->capabilities = itv->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
vcap->device_caps = s->caps;
@@ -1227,9 +1228,9 @@ static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
ivtv_call_all(itv, tuner, g_tuner, vt);
if (vt->type == V4L2_TUNER_RADIO)
- strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
+ strscpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
else
- strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
+ strscpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
return 0;
}
@@ -1627,6 +1628,21 @@ static __inline__ void warn_deprecated_ioctl(const char *name)
pr_warn_once("warning: the %s ioctl is deprecated. Don't use it, as it will be removed soon\n",
name);
}
+
+#ifdef CONFIG_COMPAT
+struct compat_video_event {
+ __s32 type;
+ /* unused, make sure to use atomic time for y2038 if it ever gets used */
+ compat_long_t timestamp;
+ union {
+ video_size_t size;
+ unsigned int frame_rate; /* in frames per 1000sec */
+ unsigned char vsync_field; /* unknown/odd/even/progressive */
+ } u;
+};
+#define VIDEO_GET_EVENT32 _IOR('o', 28, struct compat_video_event)
+#endif
+
#endif
static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
@@ -1749,7 +1765,13 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
return ivtv_video_command(itv, id, dc, try);
}
+#ifdef CONFIG_COMPAT
+ case VIDEO_GET_EVENT32:
+#endif
case VIDEO_GET_EVENT: {
+#ifdef CONFIG_COMPAT
+ struct compat_video_event *ev32 = arg;
+#endif
struct video_event *ev = arg;
DEFINE_WAIT(wait);
@@ -1763,14 +1785,22 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
ev->type = VIDEO_EVENT_DECODER_STOPPED;
else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
+ unsigned char vsync_field;
+
ev->type = VIDEO_EVENT_VSYNC;
- ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
+ vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
if (itv->output_mode == OUT_UDMA_YUV &&
(itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
IVTV_YUV_MODE_PROGRESSIVE) {
- ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
+ vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
}
+#ifdef CONFIG_COMPAT
+ if (cmd == VIDEO_GET_EVENT32)
+ ev32->u.vsync_field = vsync_field;
+ else
+#endif
+ ev->u.vsync_field = vsync_field;
}
if (ev->type)
return 0;