Unverified Commit b00bab9d authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

spi: Replace memset() with __GFP_ZERO 



krealloc() as any other kernel memory allocation calls accepts GFP flags,
one of which is __GFP_ZERO. Hence, no need to call memset() explicitly on
the reallocated buffer.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211122171721.61553-2-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 49cd1eb3

drivers/spi/spi.c

+1 −2
Original line number Diff line number Diff line
@@ -1222,11 +1222,10 @@ static int spi_map_msg(struct spi_controller *ctlr, struct spi_message *msg) 


		if (max_tx) {

			tmp = krealloc(ctlr->dummy_tx, max_tx,

				       GFP_KERNEL | GFP_DMA);

				       GFP_KERNEL | GFP_DMA | __GFP_ZERO);

			if (!tmp)

				return -ENOMEM;

			ctlr->dummy_tx = tmp;

			memset(tmp, 0, max_tx);

		}



		if (max_rx) {