forked from luck/tmp_suning_uos_patched
V4L/DVB (8251): ttusb: use simple_read_from_buffer()()
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -12,6 +12,7 @@
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/wait.h>
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#include <linux/fs.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/delay.h>
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@ -990,22 +991,9 @@ static int stc_open(struct inode *inode, struct file *file)
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}
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static ssize_t stc_read(struct file *file, char *buf, size_t count,
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loff_t * offset)
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loff_t *offset)
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{
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int tc = count;
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if ((tc + *offset) > 8192)
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tc = 8192 - *offset;
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if (tc < 0)
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return 0;
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if (copy_to_user(buf, stc_firmware + *offset, tc))
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return -EFAULT;
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*offset += tc;
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return tc;
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return simple_read_from_buffer(buf, count, offset, stc_firmware, 8192);
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}
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static int stc_release(struct inode *inode, struct file *file)
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