forked from Minki/linux
media: ov13858: Check for possible null pointer
Check for possible null pointer to avoid crash. Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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@ -1612,7 +1612,8 @@ static int ov13858_init_controls(struct ov13858 *ov13858)
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OV13858_NUM_OF_LINK_FREQS - 1,
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OV13858_NUM_OF_LINK_FREQS - 1,
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0,
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0,
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link_freq_menu_items);
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link_freq_menu_items);
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ov13858->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
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if (ov13858->link_freq)
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ov13858->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
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pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]);
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pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]);
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pixel_rate_min = link_freq_to_pixel_rate(link_freq_menu_items[1]);
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pixel_rate_min = link_freq_to_pixel_rate(link_freq_menu_items[1]);
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@ -1635,7 +1636,8 @@ static int ov13858_init_controls(struct ov13858 *ov13858)
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ov13858->hblank = v4l2_ctrl_new_std(
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ov13858->hblank = v4l2_ctrl_new_std(
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ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_HBLANK,
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ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_HBLANK,
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hblank, hblank, 1, hblank);
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hblank, hblank, 1, hblank);
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ov13858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
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if (ov13858->hblank)
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ov13858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
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exposure_max = mode->vts_def - 8;
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exposure_max = mode->vts_def - 8;
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ov13858->exposure = v4l2_ctrl_new_std(
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ov13858->exposure = v4l2_ctrl_new_std(
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