diff mbox series

[v2,2/3] spi: Replace memset() with __GFP_ZERO

Message ID 20211122171721.61553-2-andriy.shevchenko@linux.intel.com
State Accepted
Commit b00bab9d48bbb6446a5cf366f5f8e501a16031a1
Headers show
Series [v2,1/3] spi: Deduplicate spi_match_id() in __spi_register_driver() | expand

Commit Message

Andy Shevchenko Nov. 22, 2021, 5:17 p.m. UTC 
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
v2: new patch
 drivers/spi/spi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 9d19d9bae253..3b9010a67397 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -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) {