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Subject: [media] cx25821: fix error return code and clean up Author: Peter Senna Tschudin <[email protected]> Date: Mon Sep 17 04:04:56 2012 -0300 The function cx25821_sram_channel_setup_upstream_audio always return zero, so the return value is not saved any more. Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Peter Senna Tschudin <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/pci/cx25821/cx25821-audio-upstream.c | 17 ++++++++++------- 1 files changed, 10 insertions(+), 7 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=c81d497284f6009a856b399e70f812671fdc7fcf diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c index ad84613..42ad84a 100644 --- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c @@ -700,7 +700,6 @@ fail_irq: int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) { struct sram_channel *sram_ch; - int retval = 0; int err = 0; int str_length = 0; @@ -735,8 +734,10 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) dev->_audiofilename = kmemdup(dev->input_audiofilename, str_length + 1, GFP_KERNEL); - if (!dev->_audiofilename) + if (!dev->_audiofilename) { + err = -ENOMEM; goto error; + } /* Default if filename is empty string */ if (strcmp(dev->input_audiofilename, "") == 0) @@ -746,12 +747,14 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) dev->_audiofilename = kmemdup(_defaultAudioName, str_length + 1, GFP_KERNEL); - if (!dev->_audiofilename) + if (!dev->_audiofilename) { + err = -ENOMEM; goto error; + } } - retval = cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, - _line_size, 0); + cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, + _line_size, 0); dev->audio_upstream_riscbuf_size = AUDIO_RISC_DMA_BUF_SIZE * NUM_AUDIO_PROGS + @@ -759,9 +762,9 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) dev->audio_upstream_databuf_size = AUDIO_DATA_BUF_SZ * NUM_AUDIO_PROGS; /* Allocating buffers and prepare RISC program */ - retval = cx25821_audio_upstream_buffer_prepare(dev, sram_ch, + err = cx25821_audio_upstream_buffer_prepare(dev, sram_ch, _line_size); - if (retval < 0) { + if (err < 0) { pr_err("%s: Failed to set up Audio upstream buffers!\n", dev->name); goto error; _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
