Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings (Building: sparc defconfig):
drivers/scsi/qlogicpti.c: In function 'qlogicpti_mbox_command':
drivers/scsi/qlogicpti.c:202:10: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 6: sbus_writew(param[5], qpti->qregs + MBOX5);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:203:2: note: here
case 5: sbus_writew(param[4], qpti->qregs + MBOX4);
^~~~
drivers/scsi/qlogicpti.c:203:10: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 5: sbus_writew(param[4], qpti->qregs + MBOX4);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:204:2: note: here
case 4: sbus_writew(param[3], qpti->qregs + MBOX3);
^~~~
drivers/scsi/qlogicpti.c:204:10: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 4: sbus_writew(param[3], qpti->qregs + MBOX3);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:205:2: note: here
case 3: sbus_writew(param[2], qpti->qregs + MBOX2);
^~~~
drivers/scsi/qlogicpti.c:205:10: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 3: sbus_writew(param[2], qpti->qregs + MBOX2);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:206:2: note: here
case 2: sbus_writew(param[1], qpti->qregs + MBOX1);
^~~~
drivers/scsi/qlogicpti.c:206:10: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 2: sbus_writew(param[1], qpti->qregs + MBOX1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:207:2: note: here
case 1: sbus_writew(param[0], qpti->qregs + MBOX0);
^~~~
drivers/scsi/qlogicpti.c:256:19: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 6: param[5] = sbus_readw(qpti->qregs + MBOX5);
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:257:2: note: here
case 5: param[4] = sbus_readw(qpti->qregs + MBOX4);
^~~~
drivers/scsi/qlogicpti.c:257:19: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 5: param[4] = sbus_readw(qpti->qregs + MBOX4);
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:258:2: note: here
case 4: param[3] = sbus_readw(qpti->qregs + MBOX3);
^~~~
drivers/scsi/qlogicpti.c:258:19: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 4: param[3] = sbus_readw(qpti->qregs + MBOX3);
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:259:2: note: here
case 3: param[2] = sbus_readw(qpti->qregs + MBOX2);
^~~~
drivers/scsi/qlogicpti.c:259:19: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 3: param[2] = sbus_readw(qpti->qregs + MBOX2);
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:260:2: note: here
case 2: param[1] = sbus_readw(qpti->qregs + MBOX1);
^~~~
drivers/scsi/qlogicpti.c:260:19: warning: this statement may fall through
[-Wimplicit-fallthrough=]
case 2: param[1] = sbus_readw(qpti->qregs + MBOX1);
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qlogicpti.c:261:2: note: here
case 1: param[0] = sbus_readw(qpti->qregs + MBOX0);
^~~~
Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
---
drivers/scsi/qlogicpti.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 9335849f6bea..d539beef3ce8 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -200,10 +200,15 @@ static int qlogicpti_mbox_command(struct qlogicpti *qpti,
u_short param[], int f
/* Write mailbox command registers. */
switch (mbox_param[param[0]] >> 4) {
case 6: sbus_writew(param[5], qpti->qregs + MBOX5);
+ /* Fall through */
case 5: sbus_writew(param[4], qpti->qregs + MBOX4);
+ /* Fall through */
case 4: sbus_writew(param[3], qpti->qregs + MBOX3);
+ /* Fall through */
case 3: sbus_writew(param[2], qpti->qregs + MBOX2);
+ /* Fall through */
case 2: sbus_writew(param[1], qpti->qregs + MBOX1);
+ /* Fall through */
case 1: sbus_writew(param[0], qpti->qregs + MBOX0);
}
@@ -254,10 +259,15 @@ static int qlogicpti_mbox_command(struct qlogicpti *qpti,
u_short param[], int f
/* Read back output parameters. */
switch (mbox_param[param[0]] & 0xf) {
case 6: param[5] = sbus_readw(qpti->qregs + MBOX5);
+ /* Fall through */
case 5: param[4] = sbus_readw(qpti->qregs + MBOX4);
+ /* Fall through */
case 4: param[3] = sbus_readw(qpti->qregs + MBOX3);
+ /* Fall through */
case 3: param[2] = sbus_readw(qpti->qregs + MBOX2);
+ /* Fall through */
case 2: param[1] = sbus_readw(qpti->qregs + MBOX1);
+ /* Fall through */
case 1: param[0] = sbus_readw(qpti->qregs + MBOX0);
}
--
2.22.0
