[PATCH 100/141] mtd: cfi: Fix fall-through warnings for Clang

From: Gustavo A. R. Silva
Date: Fri Nov 20 2020 - 13:39:59 EST


In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements and a return
instead of letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
drivers/mtd/chips/cfi_cmdset_0001.c | 1 +
drivers/mtd/chips/cfi_cmdset_0002.c | 2 ++
drivers/mtd/chips/cfi_cmdset_0020.c | 2 ++
3 files changed, 5 insertions(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 42001c49833b..b7f5e7977dcd 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -2549,6 +2549,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
anyway? The latter for now. */
printk(KERN_NOTICE "Flash device refused suspend due to active operation (state %d)\n", chip->state);
ret = -EAGAIN;
+ break;
case FL_PM_SUSPENDED:
break;
}
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index a1f3e1031c3d..6f6b0265c22d 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -902,6 +902,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
/* Someone else might have been playing with it. */
goto retry;
}
+ return 0;

case FL_READY:
case FL_CFI_QUERY:
@@ -2994,6 +2995,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
* as the whole point is that nobody can do anything
* with the chip now anyway.
*/
+ break;
case FL_PM_SUSPENDED:
break;

diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index 270322bca221..d35df526e0a6 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -1332,6 +1332,8 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
* as the whole point is that nobody can do anything
* with the chip now anyway.
*/
+ break;
+
case FL_PM_SUSPENDED:
break;

--
2.27.0