2015-12-02 22:23:22 +00:00
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--- a/include/uapi/linux/spi/spidev.h
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+++ b/include/uapi/linux/spi/spidev.h
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2017-11-26 11:34:38 +00:00
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@@ -112,7 +112,7 @@ struct spi_ioc_transfer {
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2015-12-02 22:23:22 +00:00
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/* not all platforms use <asm-generic/ioctl.h> or _IOC_TYPECHECK() ... */
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#define SPI_MSGSIZE(N) \
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- ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \
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+ ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << 13)) \
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? ((N)*(sizeof (struct spi_ioc_transfer))) : 0)
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#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)])
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