serial: Use ARRAY_SIZE() with iso7816 reserved array
Instead of a literal, size the for loop iteration based on the actual array using ARRAY_SIZE(). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20230309080923.11778-2-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -15,6 +15,7 @@
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#include <linux/init.h>
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#include <linux/console.h>
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#include <linux/gpio/consumer.h>
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#include <linux/kernel.h>
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#include <linux/of.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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@ -1491,7 +1492,7 @@ static int uart_set_iso7816_config(struct uart_port *port,
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* There are 5 words reserved for future use. Check that userspace
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* doesn't put stuff in there to prevent breakages in the future.
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*/
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for (i = 0; i < 5; i++)
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for (i = 0; i < ARRAY_SIZE(iso7816.reserved); i++)
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if (iso7816.reserved[i])
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return -EINVAL;
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