diff options
| -rw-r--r-- | drivers/spi/spi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 94f5e8ed83a7..1168ef015887 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -522,7 +522,8 @@ int spi_sync(struct spi_device *spi, struct spi_message *message) } EXPORT_SYMBOL_GPL(spi_sync); -#define SPI_BUFSIZ (SMP_CACHE_BYTES) +/* portable code must never pass more than 32 bytes */ +#define SPI_BUFSIZ max(32,SMP_CACHE_BYTES) static u8 *buf; |