[1/4] media: i2c: remove duplicate checks for EPERM in dbg_g/s_register

Message ID	1368510317-4356-2-git-send-email-prabhakar.csengg@gmail.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-media-owner@vger.kernel.org> From: Lad Prabhakar <prabhakar.csengg@gmail.com> To: LMML <linux-media@vger.kernel.org>, uclinux-dist-devel@blackfin.uclinux.org, ivtv-devel@ivtvdriver.org Cc: linux-kernel@vger.kernel.org, DLOS <davinci-linux-open-source@linux.davincidsp.com>, Mauro Carvalho Chehab <mchehab@redhat.com>, Hans Verkuil <hans.verkuil@cisco.com>, Scott Jiang <scott.jiang.linux@gmail.com>, Jonathan Corbet <corbet@lwn.net>, Andy Walls <awalls@md.metrocast.net>, Mike Isely <isely@pobox.com>, Devin Heitmueller <dheitmueller@kernellabs.com>, Guennadi Liakhovetski <g.liakhovetski@gmx.de>, Antti Palosaari <crope@iki.fi>, =?UTF-8?q?Jon=20Arne=20J=C3=B8rgensen?= <jonarne@jonarne.no>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Alexey Klimov <klimov.linux@gmail.com>, Martin Bugge <marbugge@cisco.com>, Javier Martin <javier.martin@vista-silicon.com>, =?UTF-8?q?Frank=20Sch=C3=A4fer?= <fschaefer.oss@googlemail.com>, Janne Grunau <j@jannau.net>, "Lad, Prabhakar" <prabhakar.csengg@gmail.com> Subject: [PATCH 1/4] media: i2c: remove duplicate checks for EPERM in dbg_g/s_register Date: Tue, 14 May 2013 11:15:14 +0530 Message-Id: <1368510317-4356-2-git-send-email-prabhakar.csengg@gmail.com> In-Reply-To: <1368510317-4356-1-git-send-email-prabhakar.csengg@gmail.com> References: <1368510317-4356-1-git-send-email-prabhakar.csengg@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c index 58344b6..bd77895 100644 --- a/drivers/media/i2c/ad9389b.c +++ b/drivers/media/i2c/ad9389b.c @@ -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; } diff --git a/drivers/media/i2c/adv7183.c b/drivers/media/i2c/adv7183.c index 56a1fa4..fa7bb46 100644 --- a/drivers/media/i2c/adv7183.c +++ b/drivers/media/i2c/adv7183.c @@ -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; } diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 31a63c9..e29e7c8 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -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); diff --git a/drivers/media/i2c/cs5345.c b/drivers/media/i2c/cs5345.c index 1d2f7c8..d27d9b7 100644 --- a/drivers/media/i2c/cs5345.c +++ b/drivers/media/i2c/cs5345.c @@ -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; } diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c index 12fb9b2..33c4e51 100644 --- a/drivers/media/i2c/cx25840/cx25840-core.c +++ b/drivers/media/i2c/cx25840/cx25840-core.c @@ -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; } diff --git a/drivers/media/i2c/m52790.c b/drivers/media/i2c/m52790.c index 39f50fd..7b46a2f 100644 --- a/drivers/media/i2c/m52790.c +++ b/drivers/media/i2c/m52790.c @@ -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; diff --git a/drivers/media/i2c/mt9v011.c b/drivers/media/i2c/mt9v011.c index 3f415fd..0d53f14 100644 --- a/drivers/media/i2c/mt9v011.c +++ b/drivers/media/i2c/mt9v011.c @@ -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); diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c index 617ad3f..eb043eb 100644 --- a/drivers/media/i2c/ov7670.c +++ b/drivers/media/i2c/ov7670.c @@ -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; } diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c index d6f589a..d36994d 100644 --- a/drivers/media/i2c/saa7115.c +++ b/drivers/media/i2c/saa7115.c @@ -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; } diff --git a/drivers/media/i2c/saa7127.c b/drivers/media/i2c/saa7127.c index 8a47ac1..40ca361 100644 --- a/drivers/media/i2c/saa7127.c +++ b/drivers/media/i2c/saa7127.c @@ -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; } diff --git a/drivers/media/i2c/saa717x.c b/drivers/media/i2c/saa717x.c index cf3a0aa..b38c5fd 100644 --- a/drivers/media/i2c/saa717x.c +++ b/drivers/media/i2c/saa717x.c @@ -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; } diff --git a/drivers/media/i2c/ths7303.c b/drivers/media/i2c/ths7303.c index c433955..65853ee 100644 --- a/drivers/media/i2c/ths7303.c +++ b/drivers/media/i2c/ths7303.c @@ -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; diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c index 485159a..f6ecd29 100644 --- a/drivers/media/i2c/tvp5150.c +++ b/drivers/media/i2c/tvp5150.c @@ -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; } diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c index 270e699..f2d908f 100644 --- a/drivers/media/i2c/tvp7002.c +++ b/drivers/media/i2c/tvp7002.c @@ -739,8 +739,7 @@ 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) @@ -751,8 +750,6 @@ 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; @@ -765,8 +762,7 @@ 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) @@ -775,8 +771,6 @@ 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); } diff --git a/drivers/media/i2c/upd64031a.c b/drivers/media/i2c/upd64031a.c index f0a0921..2055128 100644 --- a/drivers/media/i2c/upd64031a.c +++ b/drivers/media/i2c/upd64031a.c @@ -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; } diff --git a/drivers/media/i2c/upd64083.c b/drivers/media/i2c/upd64083.c index 343e021..2b802c1 100644 --- a/drivers/media/i2c/upd64083.c +++ b/drivers/media/i2c/upd64083.c @@ -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; } diff --git a/drivers/media/i2c/vs6624.c b/drivers/media/i2c/vs6624.c index f366fad..c154697 100644 --- a/drivers/media/i2c/vs6624.c +++ b/drivers/media/i2c/vs6624.c @@ -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; }

[1/4] media: i2c: remove duplicate checks for EPERM in dbg_g/s_register

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