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[media] media: i2c: remove duplicate checks for EPERM in dbg_g/s_register 

This patch removes check for EPERM in dbg_g/s_register of subdevice
drivers 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 01:45:14 -03:00 committed by Mauro Carvalho Chehab
parent 39cc029f9c
commit 7e89bd9f24
17 changed files with 2 additions and 72 deletions
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4
drivers/media/i2c/ad9389b.c
View File

@ -347,8 +347,6 @@ static int ad9389b_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = ad9389b_rd(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
@ -360,8 +358,6 @@ static int ad9389b_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ad9389b_wr(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/adv7183.c
View File

@ -500,8 +500,6 @@ static int adv7183_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = adv7183_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
@ -513,8 +511,6 @@ static int adv7183_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
adv7183_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/adv7604.c
View File

@ -647,8 +647,6 @@ static int adv7604_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
switch (reg->reg >> 8) {
case 0:
@ -705,8 +703,6 @@ static int adv7604_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
switch (reg->reg >> 8) {
case 0:
io_write(sd, reg->reg & 0xff, reg->val & 0xff);

4
drivers/media/i2c/cs5345.c
View File

@ -103,8 +103,6 @@ static int cs5345_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
reg->val = cs5345_read(sd, reg->reg & 0x1f);
return 0;
@ -116,8 +114,6 @@ static int cs5345_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
cs5345_write(sd, reg->reg & 0x1f, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/cx25840/cx25840-core.c
View File

@ -1664,8 +1664,6 @@ static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
reg->val = cx25840_read(client, reg->reg & 0x0fff);
return 0;
@ -1677,8 +1675,6 @@ static int cx25840_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/m52790.c
View File

@ -87,8 +87,6 @@ static int m52790_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->reg != 0)
return -EINVAL;
reg->size = 1;
@ -103,8 +101,6 @@ static int m52790_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->reg != 0)
return -EINVAL;
state->input = reg->val & 0x0303;

4
drivers/media/i2c/mt9v011.c
View File

@ -411,8 +411,6 @@ static int mt9v011_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = mt9v011_read(sd, reg->reg & 0xff);
reg->size = 2;
@ -427,8 +425,6 @@ static int mt9v011_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
mt9v011_write(sd, reg->reg & 0xff, reg->val & 0xffff);

4
drivers/media/i2c/ov7670.c
View File

@ -1479,8 +1479,6 @@ static int ov7670_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ret = ov7670_read(sd, reg->reg & 0xff, &val);
reg->val = val;
reg->size = 1;
@ -1493,8 +1491,6 @@ static int ov7670_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ov7670_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/saa7115.c
View File

@ -1464,8 +1464,6 @@ static int saa711x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = saa711x_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
@ -1477,8 +1475,6 @@ static int saa711x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
saa711x_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/saa7127.c
View File

@ -665,8 +665,6 @@ static int saa7127_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = saa7127_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
@ -678,8 +676,6 @@ static int saa7127_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
saa7127_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/saa717x.c
View File

@ -981,8 +981,6 @@ static int saa717x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = saa717x_read(sd, reg->reg);
reg->size = 1;
return 0;
@ -996,8 +994,6 @@ static int saa717x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
saa717x_write(sd, addr, val);
return 0;
}

4
drivers/media/i2c/ths7303.c
View File

@ -236,8 +236,6 @@ static int ths7303_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
reg->val = ths7303_read(sd, reg->reg);
@ -251,8 +249,6 @@ static int ths7303_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ths7303_write(sd, reg->reg, reg->val);
return 0;

4
drivers/media/i2c/tvp5150.c
View File

@ -1054,8 +1054,6 @@ static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
res = tvp5150_read(sd, reg->reg & 0xff);
if (res < 0) {
v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
@ -1073,8 +1071,6 @@ static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

10
drivers/media/i2c/tvp7002.c
View File

@ -736,8 +736,7 @@ static int tvp7002_query_dv_timings(struct v4l2_subdev *sd,
*
* Get the value of a TVP7002 decoder device register.
* Returns zero when successful, -EINVAL if register read fails or
* access to I2C client fails, -EPERM if the call is not allowed
* by disabled CAP_SYS_ADMIN.
* access to I2C client fails.
*/
static int tvp7002_g_register(struct v4l2_subdev *sd,
struct v4l2_dbg_register *reg)
@ -748,8 +747,6 @@ static int tvp7002_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ret = tvp7002_read(sd, reg->reg & 0xff, &val);
reg->val = val;
@ -762,8 +759,7 @@ static int tvp7002_g_register(struct v4l2_subdev *sd,
* @reg: ptr to v4l2_dbg_register struct
*
* Get the value of a TVP7002 decoder device register.
* Returns zero when successful, -EINVAL if register read fails or
* -EPERM if call not allowed.
* Returns zero when successful, -EINVAL if register read fails.
*/
static int tvp7002_s_register(struct v4l2_subdev *sd,
const struct v4l2_dbg_register *reg)
@ -772,8 +768,6 @@ static int tvp7002_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
return tvp7002_write(sd, reg->reg & 0xff, reg->val & 0xff);
}

4
drivers/media/i2c/upd64031a.c
View File

@ -168,8 +168,6 @@ static int upd64031a_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = upd64031a_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
@ -181,8 +179,6 @@ static int upd64031a_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_re
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/upd64083.c
View File

@ -126,8 +126,6 @@ static int upd64083_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = upd64083_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
@ -139,8 +137,6 @@ static int upd64083_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_reg
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
upd64083_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}

4
drivers/media/i2c/vs6624.c
View File

@ -741,8 +741,6 @@ static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = vs6624_read(sd, reg->reg & 0xffff);
reg->size = 1;
return 0;
@ -754,8 +752,6 @@ static int vs6624_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
vs6624_write(sd, reg->reg & 0xffff, reg->val & 0xff);
return 0;
}