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[media] media: pci: remove duplicate checks for EPERM 

This patch removes check for EPERM in dbg_g/s_register and
vidioc_g/s_register as this check is already performed by core.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Lad, Prabhakar 2013-05-14 01:45:17 -03:00 committed by Mauro Carvalho Chehab
parent 625b35229b
commit 7eac97d7e7
7 changed files with 0 additions and 32 deletions
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6
drivers/media/pci/bt8xx/bttv-driver.c
View File

@ -1936,9 +1936,6 @@ static int bttv_g_register(struct file *file, void *f,
struct bttv_fh *fh = f;
struct bttv *btv = fh->btv;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (!v4l2_chip_match_host(&reg->match)) {
/* TODO: subdev errors should not be ignored, this should become a
subdev helper function. */
@ -1960,9 +1957,6 @@ static int bttv_s_register(struct file *file, void *f,
struct bttv_fh *fh = f;
struct bttv *btv = fh->btv;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (!v4l2_chip_match_host(&reg->match)) {
/* TODO: subdev errors should not be ignored, this should become a
subdev helper function. */

4
drivers/media/pci/cx18/cx18-av-core.c
View File

@ -1258,8 +1258,6 @@ static int cx18_av_g_register(struct v4l2_subdev *sd,
return -EINVAL;
if ((reg->reg & 0x3) != 0)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 4;
reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc);
return 0;
@ -1274,8 +1272,6 @@ static int cx18_av_s_register(struct v4l2_subdev *sd,
return -EINVAL;
if ((reg->reg & 0x3) != 0)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val);
return 0;
}

6
drivers/media/pci/cx23885/cx23885-ioctl.c
View File

@ -138,9 +138,6 @@ int cx23885_g_register(struct file *file, void *fh,
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
switch (reg->match.addr) {
case 0:
@ -186,9 +183,6 @@ int cx23885_s_register(struct file *file, void *fh,
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
switch (reg->match.addr) {
case 0:

4
drivers/media/pci/cx23885/cx23888-ir.c
View File

@ -1116,8 +1116,6 @@ static int cx23888_ir_g_register(struct v4l2_subdev *sd,
return -EINVAL;
if (addr < CX23888_IR_CNTRL_REG || addr > CX23888_IR_LEARN_REG)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 4;
reg->val = cx23888_ir_read4(state->dev, addr);
return 0;
@ -1135,8 +1133,6 @@ static int cx23888_ir_s_register(struct v4l2_subdev *sd,
return -EINVAL;
if (addr < CX23888_IR_CNTRL_REG || addr > CX23888_IR_LEARN_REG)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
cx23888_ir_write4(state->dev, addr, reg->val);
return 0;
}

2
drivers/media/pci/ivtv/ivtv-ioctl.c
View File

@ -715,8 +715,6 @@ static int ivtv_itvc(struct ivtv *itv, bool get, u64 reg, u64 *val)
{
volatile u8 __iomem *reg_start;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg >= IVTV_REG_OFFSET && reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
reg_start = itv->reg_mem - IVTV_REG_OFFSET;
else if (itv->has_cx23415 && reg >= IVTV_DECODER_OFFSET &&

4
drivers/media/pci/saa7146/mxb.c
View File

@ -669,8 +669,6 @@ static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_regist
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (v4l2_chip_match_host(&reg->match)) {
reg->val = saa7146_read(dev, reg->reg);
reg->size = 4;
@ -684,8 +682,6 @@ static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (v4l2_chip_match_host(&reg->match)) {
saa7146_write(dev, reg->reg, reg->val);
return 0;

6
drivers/media/pci/saa7164/saa7164-encoder.c
View File

@ -1306,9 +1306,6 @@ static int saa7164_g_register(struct file *file, void *fh,
struct saa7164_dev *dev = port->dev;
dprintk(DBGLVL_ENC, "%s()\n", __func__);
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
return 0;
}
@ -1319,9 +1316,6 @@ static int saa7164_s_register(struct file *file, void *fh,
struct saa7164_dev *dev = port->dev;
dprintk(DBGLVL_ENC, "%s()\n", __func__);
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
return 0;
}
#endif