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[media] cx231xx: fix handling cx231xx_read_i2c_data result
The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -1114,7 +1114,8 @@ int cx231xx_enum_input(struct file *file, void *priv,
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struct cx231xx_fh *fh = priv;
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struct cx231xx *dev = fh->dev;
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u32 gen_stat;
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unsigned int ret, n;
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unsigned int n;
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int ret;
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n = i->index;
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if (n >= MAX_CX231XX_INPUT)
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