forked from Minki/linux
media: usb: gspca: add a missed check for goto_low_power
The fix checks if goto_low_power() fails, and if so, issues an error message. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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@ -1434,6 +1434,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct cam *cam;
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int ret;
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sd->mainsFreq = FREQ_DEF == V4L2_CID_POWER_LINE_FREQUENCY_60HZ;
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reset_camera_params(gspca_dev);
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@ -1445,7 +1446,10 @@ static int sd_config(struct gspca_dev *gspca_dev,
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cam->cam_mode = mode;
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cam->nmodes = ARRAY_SIZE(mode);
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goto_low_power(gspca_dev);
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ret = goto_low_power(gspca_dev);
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if (ret)
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gspca_err(gspca_dev, "Cannot go to low power mode: %d\n",
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ret);
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/* Check the firmware version. */
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sd->params.version.firmwareVersion = 0;
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get_version_information(gspca_dev);
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