[media] cx25821: Use kmemdup rather than duplicating its implementation
The semantic patch that makes this change is available in scripts/coccinelle/api/memdup.cocci. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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0ceaec188e
3 changed files with 12 additions and 21 deletions
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@ -733,25 +733,22 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
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if (dev->input_audiofilename) {
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str_length = strlen(dev->input_audiofilename);
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dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL);
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dev->_audiofilename = kmemdup(dev->input_audiofilename,
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str_length + 1, GFP_KERNEL);
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if (!dev->_audiofilename)
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goto error;
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memcpy(dev->_audiofilename, dev->input_audiofilename,
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str_length + 1);
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/* Default if filename is empty string */
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if (strcmp(dev->input_audiofilename, "") == 0)
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dev->_audiofilename = "/root/audioGOOD.wav";
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} else {
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str_length = strlen(_defaultAudioName);
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dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL);
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dev->_audiofilename = kmemdup(_defaultAudioName,
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str_length + 1, GFP_KERNEL);
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if (!dev->_audiofilename)
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goto error;
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memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1);
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}
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retval = cx25821_sram_channel_setup_upstream_audio(dev, sram_ch,
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@ -747,22 +747,18 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
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if (dev->input_filename_ch2) {
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str_length = strlen(dev->input_filename_ch2);
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dev->_filename_ch2 = kmalloc(str_length + 1, GFP_KERNEL);
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dev->_filename_ch2 = kmemdup(dev->input_filename_ch2,
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str_length + 1, GFP_KERNEL);
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if (!dev->_filename_ch2)
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goto error;
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memcpy(dev->_filename_ch2, dev->input_filename_ch2,
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str_length + 1);
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} else {
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str_length = strlen(dev->_defaultname_ch2);
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dev->_filename_ch2 = kmalloc(str_length + 1, GFP_KERNEL);
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dev->_filename_ch2 = kmemdup(dev->_defaultname_ch2,
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str_length + 1, GFP_KERNEL);
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if (!dev->_filename_ch2)
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goto error;
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memcpy(dev->_filename_ch2, dev->_defaultname_ch2,
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str_length + 1);
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}
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/* Default if filename is empty string */
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@ -794,20 +794,18 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
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if (dev->input_filename) {
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str_length = strlen(dev->input_filename);
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dev->_filename = kmalloc(str_length + 1, GFP_KERNEL);
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dev->_filename = kmemdup(dev->input_filename, str_length + 1,
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GFP_KERNEL);
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if (!dev->_filename)
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goto error;
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memcpy(dev->_filename, dev->input_filename, str_length + 1);
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} else {
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str_length = strlen(dev->_defaultname);
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dev->_filename = kmalloc(str_length + 1, GFP_KERNEL);
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dev->_filename = kmemdup(dev->_defaultname, str_length + 1,
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GFP_KERNEL);
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if (!dev->_filename)
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goto error;
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memcpy(dev->_filename, dev->_defaultname, str_length + 1);
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}
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/* Default if filename is empty string */
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