From 0ceaec188e7784c7f9ab5fca110fecb790837dbc Mon Sep 17 00:00:00 2001 From: Thomas Meyer Date: Thu, 17 Nov 2011 19:12:18 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx25821/cx25821-audio-upstream.c | 11 ++++------- .../media/video/cx25821/cx25821-video-upstream-ch2.c | 12 ++++-------- drivers/media/video/cx25821/cx25821-video-upstream.c | 10 ++++------ 3 files changed, 12 insertions(+), 21 deletions(-) diff --git a/drivers/media/video/cx25821/cx25821-audio-upstream.c b/drivers/media/video/cx25821/cx25821-audio-upstream.c index 4dc2a241335c..20c7ca3351a8 100644 --- a/drivers/media/video/cx25821/cx25821-audio-upstream.c +++ b/drivers/media/video/cx25821/cx25821-audio-upstream.c @@ -733,25 +733,22 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) if (dev->input_audiofilename) { str_length = strlen(dev->input_audiofilename); - dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL); + dev->_audiofilename = kmemdup(dev->input_audiofilename, + str_length + 1, GFP_KERNEL); if (!dev->_audiofilename) goto error; - memcpy(dev->_audiofilename, dev->input_audiofilename, - str_length + 1); - /* Default if filename is empty string */ if (strcmp(dev->input_audiofilename, "") == 0) dev->_audiofilename = "/root/audioGOOD.wav"; } else { str_length = strlen(_defaultAudioName); - dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL); + dev->_audiofilename = kmemdup(_defaultAudioName, + str_length + 1, GFP_KERNEL); if (!dev->_audiofilename) goto error; - - memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1); } retval = cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, diff --git a/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c b/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c index 6401ce8be0f5..5a157cf4a95e 100644 --- a/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c +++ b/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c @@ -747,22 +747,18 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, if (dev->input_filename_ch2) { str_length = strlen(dev->input_filename_ch2); - dev->_filename_ch2 = kmalloc(str_length + 1, GFP_KERNEL); + dev->_filename_ch2 = kmemdup(dev->input_filename_ch2, + str_length + 1, GFP_KERNEL); if (!dev->_filename_ch2) goto error; - - memcpy(dev->_filename_ch2, dev->input_filename_ch2, - str_length + 1); } else { str_length = strlen(dev->_defaultname_ch2); - dev->_filename_ch2 = kmalloc(str_length + 1, GFP_KERNEL); + dev->_filename_ch2 = kmemdup(dev->_defaultname_ch2, + str_length + 1, GFP_KERNEL); if (!dev->_filename_ch2) goto error; - - memcpy(dev->_filename_ch2, dev->_defaultname_ch2, - str_length + 1); } /* Default if filename is empty string */ diff --git a/drivers/media/video/cx25821/cx25821-video-upstream.c b/drivers/media/video/cx25821/cx25821-video-upstream.c index 103226320518..21e7d657f049 100644 --- a/drivers/media/video/cx25821/cx25821-video-upstream.c +++ b/drivers/media/video/cx25821/cx25821-video-upstream.c @@ -794,20 +794,18 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, if (dev->input_filename) { str_length = strlen(dev->input_filename); - dev->_filename = kmalloc(str_length + 1, GFP_KERNEL); + dev->_filename = kmemdup(dev->input_filename, str_length + 1, + GFP_KERNEL); if (!dev->_filename) goto error; - - memcpy(dev->_filename, dev->input_filename, str_length + 1); } else { str_length = strlen(dev->_defaultname); - dev->_filename = kmalloc(str_length + 1, GFP_KERNEL); + dev->_filename = kmemdup(dev->_defaultname, str_length + 1, + GFP_KERNEL); if (!dev->_filename) goto error; - - memcpy(dev->_filename, dev->_defaultname, str_length + 1); } /* Default if filename is empty string */ -- 2.20.1