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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-15 04:13:32 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-15 04:13:32 +0300 |
commit | 581bfce969cbfc7ce43ee92273be9cb7c3fdfa61 (patch) | |
tree | 0a693778ce39c49b9b7d93d0d6795c576896f5cf /drivers/media/pci | |
parent | cc73fee0bae2d66594d1fa2df92bbd783aa98e04 (diff) | |
parent | 9725d4cef62229b4ec4c912e0db0761e7d400650 (diff) | |
download | linux-581bfce969cbfc7ce43ee92273be9cb7c3fdfa61.tar.xz |
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more set_fs removal from Al Viro:
"Christoph's 'use kernel_read and friends rather than open-coding
set_fs()' series"
* 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: unexport vfs_readv and vfs_writev
fs: unexport vfs_read and vfs_write
fs: unexport __vfs_read/__vfs_write
lustre: switch to kernel_write
gadget/f_mass_storage: stop messing with the address limit
mconsole: switch to kernel_read
btrfs: switch write_buf to kernel_write
net/9p: switch p9_fd_read to kernel_write
mm/nommu: switch do_mmap_private to kernel_read
serial2002: switch serial2002_tty_write to kernel_{read/write}
fs: make the buf argument to __kernel_write a void pointer
fs: fix kernel_write prototype
fs: fix kernel_read prototype
fs: move kernel_read to fs/read_write.c
fs: move kernel_write to fs/read_write.c
autofs4: switch autofs4_write to __kernel_write
ashmem: switch to ->read_iter
Diffstat (limited to 'drivers/media/pci')
-rw-r--r-- | drivers/media/pci/cx25821/cx25821-audio-upstream.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c index b94eb1c0023d..ada26d4acfb4 100644 --- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c @@ -277,7 +277,7 @@ static int cx25821_get_audio_data(struct cx25821_dev *dev, p = (char *)dev->_audiodata_buf_virt_addr + frame_offset; for (i = 0; i < dev->_audio_lines_count; i++) { - int n = kernel_read(file, file_offset, mybuf, AUDIO_LINE_SIZE); + int n = kernel_read(file, mybuf, AUDIO_LINE_SIZE, &file_offset); if (n < AUDIO_LINE_SIZE) { pr_info("Done: exit %s() since no more bytes to read from Audio file\n", __func__); @@ -290,7 +290,6 @@ static int cx25821_get_audio_data(struct cx25821_dev *dev, memcpy(p, mybuf, n); p += n; } - file_offset += n; } dev->_audioframe_count++; fput(file); @@ -318,7 +317,7 @@ static int cx25821_openfile_audio(struct cx25821_dev *dev, { char *p = (void *)dev->_audiodata_buf_virt_addr; struct file *file; - loff_t offset; + loff_t file_offset = 0; int i, j; file = filp_open(dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0); @@ -328,11 +327,11 @@ static int cx25821_openfile_audio(struct cx25821_dev *dev, return PTR_ERR(file); } - for (j = 0, offset = 0; j < NUM_AUDIO_FRAMES; j++) { + for (j = 0; j < NUM_AUDIO_FRAMES; j++) { for (i = 0; i < dev->_audio_lines_count; i++) { char buf[AUDIO_LINE_SIZE]; - int n = kernel_read(file, offset, buf, - AUDIO_LINE_SIZE); + loff_t offset = file_offset; + int n = kernel_read(file, buf, AUDIO_LINE_SIZE, &file_offset); if (n < AUDIO_LINE_SIZE) { pr_info("Done: exit %s() since no more bytes to read from Audio file\n", @@ -344,8 +343,6 @@ static int cx25821_openfile_audio(struct cx25821_dev *dev, if (p) memcpy(p + offset, buf, n); - - offset += n; } dev->_audioframe_count++; } |