[PATCH] staging: greybus: add logging statement when kfifo_alloc fails

[Keyur Patel]

Added missing logging statement when kfifo_alloc fails, to improve
debugging.

Signed-off-by: Keyur Patel <iamkeyur96@xxxxxxxxx>
---
 drivers/staging/greybus/uart.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index b3bffe91ae99..86a395ae177d 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -856,8 +856,10 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
 
 	retval = kfifo_alloc(&gb_tty->write_fifo, GB_UART_WRITE_FIFO_SIZE,
 			     GFP_KERNEL);
-	if (retval)
+	if (retval) {
+		pr_err("kfifo_alloc failed\n");
 		goto exit_buf_free;
+	}
 
 	gb_tty->credits = GB_UART_FIRMWARE_CREDITS;
 	init_completion(&gb_tty->credits_complete);
-- 
2.22.0