From: Lad, Prabhakar Date: Tue, 14 May 2013 04:45:17 +0000 (-0300) Subject: [media] media: pci: remove duplicate checks for EPERM X-Git-Tag: firefly_0821_release~176^2~3573^2~1870 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7eac97d7e714429f7ef1ba5d35f94c07f4c34f8e;p=firefly-linux-kernel-4.4.55.git [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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index e7d088413411..a334c94a303d 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -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(®->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(®->match)) { /* TODO: subdev errors should not be ignored, this should become a subdev helper function. */ diff --git a/drivers/media/pci/cx18/cx18-av-core.c b/drivers/media/pci/cx18/cx18-av-core.c index 38b1d64ffc27..ba8caf0fbb85 100644 --- a/drivers/media/pci/cx18/cx18-av-core.c +++ b/drivers/media/pci/cx18/cx18-av-core.c @@ -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; } diff --git a/drivers/media/pci/cx23885/cx23885-ioctl.c b/drivers/media/pci/cx23885/cx23885-ioctl.c index acdb6d58db58..00f51251728b 100644 --- a/drivers/media/pci/cx23885/cx23885-ioctl.c +++ b/drivers/media/pci/cx23885/cx23885-ioctl.c @@ -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: diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c index fa672fe41079..cd98651f3ae6 100644 --- a/drivers/media/pci/cx23885/cx23888-ir.c +++ b/drivers/media/pci/cx23885/cx23888-ir.c @@ -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; } diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 9cbbce0eaedc..3e281eccdd88 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -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 && diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c index 71e8bead321b..52cbe7a027cc 100644 --- a/drivers/media/pci/saa7146/mxb.c +++ b/drivers/media/pci/saa7146/mxb.c @@ -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(®->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(®->match)) { saa7146_write(dev, reg->reg, reg->val); return 0; diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c index 0b74fb2300dd..63a72fb71f30 100644 --- a/drivers/media/pci/saa7164/saa7164-encoder.c +++ b/drivers/media/pci/saa7164/saa7164-encoder.c @@ -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