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-rw-r--r--drivers/spi/spi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 22c71e2..b370d292 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1551,7 +1551,7 @@ int spi_write_then_read(struct spi_device *spi,
* using the pre-allocated buffer or the transfer is too large.
*/
if ((n_tx + n_rx) > SPI_BUFSIZ || !mutex_trylock(&lock)) {
- local_buf = kmalloc(max(SPI_BUFSIZ, n_tx + n_rx), GFP_KERNEL);
+ local_buf = kmalloc(max((unsigned)SPI_BUFSIZ, n_tx + n_rx), GFP_KERNEL);
if (!local_buf)
return -ENOMEM;
} else {
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