[U-Boot] [PATCH] spi: spi-mem: Check if exec_op function is set before calling it

[Bernhard Messerklinger]

Add check if exec_op is set before calling it.
At the moment it is called unconditionally, which leads to a crash if it
is not set correctly.

Signed-off-by: Bernhard Messerklinger <bernhard.messerklinger at br-automation.com>
---

 drivers/spi/spi-mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index 1bb0987edb..b86eee75bc 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -214,7 +214,7 @@ int spi_mem_exec_op(struct spi_slave *slave, const struct spi_mem_op *op)
 	if (ret < 0)
 		return ret;
 
-	if (ops->mem_ops) {
+	if (ops->mem_ops && ops->mem_ops->exec_op) {
 #ifndef __UBOOT__
 		/*
 		 * Flush the message queue before executing our SPI memory
-- 
2.21.0