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staging: cx25821: Remove NULL check before kfree

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This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);

@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ilia Mirkin 2011-03-13 00:28:58 -05:00 committed by Greg Kroah-Hartman
parent e4e1f289be
commit b00917802b
3 changed files with 9 additions and 18 deletions
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9
drivers/staging/cx25821/cx25821-audio-upstream.c
View File

@ -244,13 +244,10 @@ void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
dev->_audioframe_count = 0;
dev->_audiofile_status = END_OF_FILE;
if (dev->_irq_audio_queues) {
kfree(dev->_irq_audio_queues);
dev->_irq_audio_queues = NULL;
}
kfree(dev->_irq_audio_queues);
dev->_irq_audio_queues = NULL;
if (dev->_audiofilename != NULL)
kfree(dev->_audiofilename);
kfree(dev->_audiofilename);
}
void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev)

9
drivers/staging/cx25821/cx25821-video-upstream-ch2.c
View File

@ -234,13 +234,10 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
dev->_frame_count_ch2 = 0;
dev->_file_status_ch2 = END_OF_FILE;
if (dev->_irq_queues_ch2) {
kfree(dev->_irq_queues_ch2);
dev->_irq_queues_ch2 = NULL;
}
kfree(dev->_irq_queues_ch2);
dev->_irq_queues_ch2 = NULL;
if (dev->_filename_ch2 != NULL)
kfree(dev->_filename_ch2);
kfree(dev->_filename_ch2);
tmp = cx_read(VID_CH_MODE_SEL);
cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00);

9
drivers/staging/cx25821/cx25821-video-upstream.c
View File

@ -279,13 +279,10 @@ void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev)
dev->_frame_count = 0;
dev->_file_status = END_OF_FILE;
if (dev->_irq_queues) {
kfree(dev->_irq_queues);
dev->_irq_queues = NULL;
}
kfree(dev->_irq_queues);
dev->_irq_queues = NULL;
if (dev->_filename != NULL)
kfree(dev->_filename);
kfree(dev->_filename);
tmp = cx_read(VID_CH_MODE_SEL);
cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00);