[PATCH 4.14 243/496] can: m_can: change comparison to bitshift when dealing with a mask
From: Greg Kroah-Hartman
Date: Mon May 28 2018 - 08:58:51 EST
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
[ Upstream commit b7db978ac283b237835129ac87f26cbac94d04e7 ]
Due to a typo, the mask was destroyed by a comparison instead of a bit
shift.
Reported-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/can/m_can/m_can.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -246,7 +246,7 @@ enum m_can_mram_cfg {
/* Rx FIFO 0/1 Configuration (RXF0C/RXF1C) */
#define RXFC_FWM_SHIFT 24
-#define RXFC_FWM_MASK (0x7f < RXFC_FWM_SHIFT)
+#define RXFC_FWM_MASK (0x7f << RXFC_FWM_SHIFT)
#define RXFC_FS_SHIFT 16
#define RXFC_FS_MASK (0x7f << RXFC_FS_SHIFT)